TCM pattern

Yin 阴

Yin covers everything cooling, moistening, contracting and substantial — the half of the pair that sustains and contains.

Pinyin: Yin · Five Element: Water · updated

Yin names the qualities of cooling, moistening, contracting, cooling-down and holding. It is the substantive half of the pair — night, water, earth, rest, the slow processes that make repair possible.

Yin is not a thing you can have more or less of in isolation. It works in relation to Yang, and what matters clinically is the balance between them. Someone with plenty of Yin but weak Yang feels heavy and sluggish; someone with strong Yang and weak Yin runs hot and thin.

In daily terms, protecting Yin means protecting the conditions that allow repair: sleep that is deep enough, heat that is not excessive, and periods of genuine rest rather than merely a pause in activity.

Signs that suggest this pattern

No single sign establishes a pattern — Chinese medicine reads combinations, not isolated symptoms. If several of these are familiar and have been for a while, it is worth running the Yin-Yang Balance Test to see what the combination scores.

  • How well you stay cool in warm conditions
  • How easily you run dry
  • Depth and duration of your sleep
  • Whether you tire more from over-stimulation than from effort

Acupoints used for this pattern (5)

Every point below opens the full library entry, including location, technique, frequency and the cautions attached to it.

Foods listed against this pattern (5)

Nature and flavour are the traditional classification. Read the avoid note before changing anything you eat regularly.

Tea formulas listed against this pattern (2)

These are traditional reference formulas. Doses shown are traditional reference amounts, not a prescription — check with a qualified practitioner, especially if you are pregnant, on medication, or managing a condition.

Which assessment identifies this pattern

Patterns that often appear alongside this one

Related vocabulary

Search terms this page covers: yin, yin yang, yin meaning, yin and yang tcm.

This page is wellness education within a traditional framework, not a medical diagnosis. Pattern differentiation in Chinese medicine is not a biomedical diagnostic category and nothing here establishes that you have any condition. Do not use it to decide whether to start, stop or change any treatment. See our disclaimer and editorial policy.