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.
KI1 · Yongquan
The lowest point on the body, traditionally used to anchor restless energy: insomnia, anxiety, hot feet, and to draw warmth downward.
Kidney meridian
KI3 · Taixi
The source point of the Kidney. Traditionally used for lower back ache, ringing in the ears, dry mouth, night sweats and general depletion.
Kidney meridian
SP6 · Sanyinjiao
Where the Spleen, Liver and Kidney meridians meet. Traditionally used for digestive weakness, sleep problems, menstrual irregularity and fluid retention.
Spleen meridian
SP10 · Xuehai
The sea of blood. Traditionally used for poor circulation, bruising, dull complexion and menstrual irregularity.
Spleen meridian
HT7 · Shenmen
The Heart's source point, used to settle the mind: difficulty falling asleep, palpitations, anxiety and poor memory.
Heart meridian
Foods listed against this pattern (5)
Nature and flavour are the traditional classification. Read the avoid note before changing anything you eat regularly.
Lily bulb
Moistens dryness and settles a restless mind. Used for dry cough and disturbed sleep.
Cool · Sweet, slightly bitter
White fungus
The classic moistening food for dry skin, dry throat and autumn dryness.
Neutral · Sweet
Goji berry
Traditionally used for eyes, lower back, stamina and the Kidney-Liver pair.
Neutral · Sweet
Black sesame
Nourishes Yin and blood. Traditionally used for dry hair, early greying, dry stool and lower back weakness.
Neutral · Sweet
Mulberry
Nourishes Yin and blood. Traditionally used for dizziness, early greying and dry stool.
Cool · Sweet
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.
Ophiopogon & glehnia tea
Moistens the throat and lungs when dryness appears: dry mouth, dry cough, warm palms.
6 g ophiopogon, 6 g glehnia root
Pear & white fungus tea
The classic autumn drink for dry skin, dry throat and dry cough.
1 pear, 1 small white fungus, rock sugar to taste
Which assessment identifies this pattern
Yin-Yang Balance Test
Twelve questions, one axis pair at a time. The fastest of the six assessments — it tells you whether to warm up, cool down, or neither.
TCM Body Constitution Test
Nine types, 27 questions, about five minutes. No email, no sign-up — you get the result immediately and an explanation of what it means.
Patterns that often appear alongside this one
Yin Deficiency
Yin deficiency is insufficient cooling, moistening fluid — you run warm and dry, and rest does not fully restore you.
Kidney
The Kidney stores Jing — the constitutional essence that governs growth, ageing and reproduction — and governs water metabolism.
Lung
The Lung governs Qi and respiration, and controls the skin — it is the body's outer defence against cold, wind and dryness.
Liver
The Liver governs free coursing — the smooth movement of Qi throughout the body — and stores blood between uses.
Heart
The Heart governs blood and vessels, and houses the Shen — the classical term for the mind and consciousness.
Related vocabulary
Search terms this page covers: yin, yin yang, yin meaning, yin and yang tcm.