MENTAL MODEL · M1073

Four Seas

TechnicalHigh supportTraditional Chinese Medicine

Included

Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Besides the meridian rivers, the human body has four seas: the sea of marrow (brain), the sea of blood (thoroughfare vessel), the sea of qi (dan zhong), and the sea of water and grain (stomach).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Strategic reserve. Meridians are the logistics network, and the four seas are the main warehouses. If you feel deficient everywhere, it may be that the warehouses are empty. Nourishing the brain (sea of marrow), regulating the thoroughfare and conception vessels (sea of blood), strengthening the heart and lungs (sea of qi), and fortifying the spleen and stomach (sea of water and grain) are the four strategic supply directions.

anchor

Anchor fast decisions

In Chinese medicine, the 'four seas' refer to the four fundamental convergence points of the body: the brain as the sea of marrow, the thoroughfare vessel as the sea of blood, the dan zhong as the sea of qi, and the stomach as the sea of water and grain. They are the roots of essence, blood, qi, and food, respectively, on which the viscera and bowels and meridians depend. As a metaphor, they represent the four major resource pools of a system.

MINIMUM ACTION

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Practice this model in one real situation:

Use the 'four seas' approach to identify the four fundamental resources of an organization or individual (intellect, manpower, atmosphere, capital)
which sea is deficient, supplement that one first
aim for overall balance rather than partial intensive supplementation.

Check to track your progress (stored locally)

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Source support: Explicit

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en.wikipedia.orghttps://en.wikipedia.org/wiki/Four_SeasZH · Explicit
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