Hexagram 50 Ding (The Cauldron) — Trigram Structure & Line Overview
Trigram Structure Upper: Fire (Li ☲) · Lower: Wind (Xun ☴)
Sequence & Paired Hexagram ← #49 Ge · #51 Zhen → · Pair: #49 Ge

Classical Image Maxim: "Fire over wood; steady your vessel and fulfill the supreme mandate." — Already cast Hexagram 50 Ding with one or more changing lines (Lines 1 to 6)? Look up your exact moving-line combination in the Hexagram 50 Ding Lookup Tool, browse all 64 I Ching hexagrams, or map a career decision:

Hexagram 50: Ding (The Cauldron)
King Wen #50 Fire & Clarity ☲ Over Wind & Wood ☴
Upper Trigram (Outer)
Li / Fire & Clarity ☲
Luminous Insight · Clinging Warmth
Lower Trigram (Inner)
Xun / Wind & Wood ☴
Gentle Penetration · Gradual Influence
Line 6 · Top Yang
Lifted by a Jade Rod
Line 5 · 5th Yin ★
Yellow Ears, Golden Rod
Line 4 · 4th Yang
Broken Leg Spills the Stew
Line 3 · 3rd Yang
Altered Ears Awaiting Rain
Line 2 · 2nd Yang
Full Vessel Beyond Envy
Line 1 · 1st Yin
Upending to Clear the Foul
The Great Image: "Fire over wood; steady your vessel and fulfill the supreme mandate."

Hexagram 50 Meaning & Interpretation

In the received King Wen sequence of the Book of Changes (Zhouyi), Hexagram 50 — Ding (The Cauldron) is the 50th six-line figure, formed by placing the upper trigram Fire (Li ☲) above the lower trigram Wind/Wood (Xun ☴). It forms a structural pair with Hexagram 49 (Ge, Revolution), contrasting their complementary stages of change across the sixty-four hexagrams.

The classical Judgment (gua ci) and the Great Image (da xiang) read the interaction between outer Fire (Li ☲) and inner Wind/Wood (Xun ☴) as an integrated pattern of timing and conduct. The Great Image states: "Fire over wood; steady your vessel and fulfill the supreme mandate." In classical commentary, the Judgment names the macro climate sitting before you, while the Image describes how a discerning person (junzi) aligns daily posture with that climate before examining any individual moving lines.


Hexagram 50 Unchanging (No Changing Lines)

When all six positions come out settled — only 7s and 8s, with no moving 6 or 9 — the figure is a static hexagram (jing gua). Under Zhu Xi's rule in the Zhouyi Benyi, there is no relating figure and no moving line statement; the reading rests on the Judgment (gua ci) and the Great Image (da xiang) of Hexagram 50. Because Ding has no seventh all-moving statement, an unchanging cast points to the vessel that holds, cooks, and refines raw material into lasting nourishment.

Structurally, Ding places Fire (Li, ☲) above Wind/Wood (Xun, ☴): wood feeding a steady flame beneath a bronze three-legged cauldron. Even the six lines visually trace the vessel: a broken first line for the feet below, three solid lines for the full belly, a broken fifth line for the two carrying ears, and a solid sixth line for the lifting bar across the top. In the King Wen sequence, Hexagram 49 (Ge) tore down the outgrown structure; Hexagram 50 builds the new cultural and practical vessel that feeds the household.

The Great Image sets the posture required to tend the vessel: "Fire over wood; steady your vessel and fulfill the supreme mandate." A cauldron only cooks cleanly when its footing is upright and the heat beneath it is measured.

  • Is the vessel you are tending upright and free of old residue? Even the best ingredients spoil if the pot itself is crooked or uncleaned.
  • How steady is the heat you are feeding into this work? Sustainable craft comes from patient wood-fed warmth rather than a flash fire.
  • Are you nourishing genuine talent and substance? The classic says the sage cooks in the cauldron to nourish the worthy (yang xian).

Hexagram 50 in Love & Relationships

In questions of love and relationships, Hexagram 50 is the vessel of shared life — how two people take raw experience, daily effort, and honest affection and slowly cook them into something warm, nourishing, and enduring. Paired in the King Wen sequence with Hexagram 49 (Ge, Revolution), where Ge sheds the old coat, Ding tends the hearth where a renewed bond is seasoned over time. When cast unchanging, it points to a relationship of genuine substance and shared refinement, asking both partners to keep their footing steady and their communication warm and measured.

When individual lines move, the six positions follow the anatomy of the cauldron from its legs to its jade carrying ring:

  1. First position — The cauldron with upturned feet, favorable for clearing out stale residue: Before a relationship can hold fresh warmth, old resentments, unspoken clutter, or past habits must be tipped out and rinsed away.
  2. Second position — The cauldron is filled with real substance; even if an envious voice complains, it cannot touch you: When two people share genuine daily care and reliability inside the vessel, outside gossip, jealousy, or insecurity cannot spoil what they have built.
  3. Third position — The cauldron's ears are altered so it cannot be lifted, and the rich pheasant fat goes uneaten until rain falls: Even when deep affection is present, a communication mismatch ("altered handles") temporarily blocks closeness until humility and cooling rain restore understanding.
  4. Fourth position — The cauldron breaks a leg and spills the duke's meal, staining the person: Entrusting heavy relationship responsibilities to someone unsteady — or breaking a core promise yourself — spills the trust that took months to cook.
  5. Fifth position — The cauldron has yellow ears and golden carrying rings; steadiness is favorable: Receptive listening ("yellow ears") paired with firm integrity ("golden rings") makes the partnership balanced, portable, and resilient.
  6. Top position — The cauldron has rings of jade; everything is favorable: At the highest maturity of Ding, strength and gentleness blend like warm jade — firm without harshness, nourishing everyone around the table.

Questions to sit with:
- Does the vessel of your relationship need a clean-out at the base (Line 1) or better listening handles (Line 3)?
- Are you protecting the real substance inside the pot from outside noise (Line 2)?
- How does tending this shared cauldron build a home after the changes of Hexagram 49 (Ge)?


Hexagram 50 in Career & Decisions

Hexagram 50 (Ding) codifies the transition from agile rebel to institutional sovereign:
1. The Inversion for Purification (Line 1): Before a company can ingest new high-yield business models, its legacy organizational pipes must be turned upside down to dump historic deadweight and corruption.
2. The Inimitable Core (Line 2): Market defamation is irrelevant when your caldron is packed with genuine product superiority and verified cash flows ("The Caldron has substance").
3. The Incompetence Catastrophe (Line 4): The most catastrophic organizational failure is promoting an under-qualified executive to manage existential capital reserves. When the legs snap, the entire institutional meal is ruined in public disgrace.

The Six Lines of Hexagram 50

1. Line 1 (Initial Yin): Upending the Cauldron to Clear What Is Foul.

ding dian zhi, li chu pi; de qie yi qi zi, wu jiu — "the cauldron is turned upside down with its feet in the air, favorable for clearing out what is foul; taking a concubine for the sake of her son, no blame."

Line 1 forms the feet of the cauldron. Before a bronze vessel is filled with fresh ingredients and set over the fire, turning it upside down is not a disaster — it is how yesterday's cold dregs are washed out, just as an humble beginning is honored for the new life it brings.

This line asks: what old residue needs to be tipped out at the start before you put anything fresh into the vessel?

2. Line 2 (Second Yang): The Cauldron Filled with Substance.

ding you shi, wo chou you ji, bu wo neng ji, ji — "the cauldron has real substance; my counterpart has an ailment and cannot approach me; a favorable outcome."

Sitting in the lower belly of the vessel, this strong line holds real food ready for cooking. Even though a nearby rival or jealous peer (Line 1) harbours ill will, staying centered in one's own real work and keeping correspondance with the fifth place keeps that envy from touching the meal.

This line asks: when someone nearby resents your substance, can you stay focused on the work in the vessel rather than the resentment?

3. Line 3 (Third Yang): The Cauldron's Ears Altered.

ding er ge, qi xing se, zhi gao bu shi, fang yu kui hui, zhong ji — "the ears of the cauldron are altered, its movement is blocked, the fat of the pheasant is not eaten; once rain falls, regret diminishes, and in the end there is a favorable outcome."

The third line is full of rich pheasant broth, yet because it sits at the top of the lower trigram without a direct tie to the fifth line's carrying-rings, the hot vessel cannot be lifted or served. Once tension softens like falling rain and the two sides reconcile, the nourishment is finally shared.

This line asks: where has a lack of handle or rapport kept something genuinely good of yours from being received?

4. Line 4 (Fourth Yang): The Cauldron Breaks Its Leg.

ding zhe zu, fu gong su, qi xing wo, xiong — "the cauldron breaks its leg, spilling the duke's stew, its form soiled; a setback."

Standing in the high fourth place right beside the ruler, Line 4 tries to carry the weight of a full state vessel while still tied down to the weak first line below. When a heavy undertaking rests on legs too weak or divided to bear it, the stew spills and stains the vessel itself.

This line asks: are you taking on a weighty trust while still relying on support that cannot bear the load?

5. Line 5 (Fifth Yin): Yellow Ears and a Golden Carrying-Rod.

ding huang er jin xuan, li zhen — "the cauldron has yellow ears and a golden carrying-rod; it furthers one to remain steadfast."

Line 5 forms the two hollow ears at the rim of the cauldron: open, receptive, and colored yellow for central balance. Because the ears are hollow and modest, the solid golden carrying-rod (Line 2 or Line 6) can pass cleanly through them to lift the whole vessel.

This line asks: how open and unencumbered are the handles by which capable people can help you carry the work?

6. Line 6 (Top Yang): The Jade Carrying-Rod.

ding yu xuan, da ji, wu bu li — "the cauldron has a jade carrying-rod; a greatly favorable outcome, nothing is unfavorable."

At the very top of the figure, the carrying-bar that passes through the cauldron's ears is no longer metal, which heats in the fire, but carved jade — firm to the hand yet cool, lustrous, and gentle to the touch. Strength that has lost all harshness lifts the vessel cleanly from the flame.

This line asks: where can your firmness take on the cool, unhurried gentleness of jade rather than the heat of iron?

This figure carries no additional all-moving statement. When all six lines move, read the transformed figure.


Hexagram 50 FAQ

Q Why is turning the cauldron upside down in Line 1 considered favorable rather than a mishap?

A: Line 1 reads ding dian zhi, li chu pi — "the cauldron is turned upside down with its feet in the air, favorable for clearing out what is foul." Unlike Line 4, where a full cauldron breaks its leg and spills the cooked stew, Line 1 sits at the very beginning before the fire is lit. Tipping an empty vessel before cooking is the only clean way to wash out stale dregs.

Q How do the 'yellow ears' of Line 5 and the 'jade rod' of Line 6 work together in Hexagram 50?

A: In the visual architecture of Hexagram 50, the broken fifth line forms the two hollow ears (huang er) on the rim of the bronze vessel, while the solid sixth line above forms the carrying-rod (yu xuan) slipped through those ears. Neither can lift the cauldron alone: the fifth place supplies central receptivity, and the sixth place supplies firm yet gentle poise.

Q How does Hexagram 50 (Ding) relate to Hexagram 49 (Ge)?

A: Ding (50) is the inverted companion of Ge (49). Where Ge uses fire beneath a lake to strip away an outworn hide, Ding places wood beneath fire to tend a bronze ritual vessel. Classical commentary treats them as two halves of a single historical rhythm: clearing away what has decayed (49) and seasoning the vessel that nourishes what follows (50).


Did one or more lines move when you cast Hexagram 50 Ding?

In classical six-line analysis, reading all six line statements at once mixes opposite stages of the cycle. Isolate only the changing lines that scored 6 or 9 in your session using Zhu Xi's changing-line rules or 50-stalk yarrow probabilities:

Related Hexagrams & 6-Bit Transitions (Hexagram 50 Ding)

In the Book of Changes (Zhouyi) binary topology, this hexagram is connected to its Opposite (Bitwise NOT), Inverse (180° Rotation), and Nuclear (Inner Core Lines 2–5) archetypes:

How to read this hexagram in context →