MENTAL MODEL · M2701

Lower Jiao is like a Sluice

SystemsHigh supportSystems Theory

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Updated 2026-08-02

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INTRODUCTION

English translation pending.

CORE DEFINITION

Lower jiao is like a sluice is one of the three jiao images in traditional Chinese medicine. The kidney, bladder, and large intestine are pictured as the body's drainage works, separating the clear from the turbid and discharging urine and stool. The governing principle is patency: if the outlet blocks, waste backs up and poisons the system upstream. It pairs with the upper jiao as mist and the middle jiao as a fermentation vat, and treatment at this level favors opening and moving over securing and tonifying.

SCAFFOLDING EFFECT

psychology

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- Drainage: the lower level must stay open, because a blocked outlet poisons everything upstream. - Patency first: restore flow before adding more input. - Backflow watch: during a blockage, guard the core against accumulating waste.

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Any system that produces waste needs an unobstructed exit. When the outlet narrows, throughput is limited by the exit rather than by capacity upstream, and the accumulating backlog begins to damage the very components that generated it.

MINIMUM ACTION

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Practice this model in one real situation:

Locate the outlet and check whether it is blocked. 2. Restore flow before adding further input or nourishment. 3. Watch for backlog backing up toward the core during the blockage. 4. Treat by opening and moving rather than by securing and binding. 5. Establish routine discharge so the blockage does not recur.

Check to track your progress (stored locally)

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Source support: Explicit

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baike.baidu.comhttps://baike.baidu.com/item/%E4%B8%8B%E7%84%A6%E5%A6%82%E6%B8%8E/10928302ZH · Explicit
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