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Coated Tongue

How Chinese medicine differentiates a thick tongue coating into the five patterns you'll actually meet in practice, and the points for each. Distinct from this site's own Red Tongue and Pale Tongue pages. Acupuncture only — no herbs.

This page is educational, for practitioners and students — it is not a diagnostic tool and does not replace a proper in-person assessment. A thick coating is one diagnostic sign among many — always weigh it alongside the tongue body color, pulse, symptoms, and history.
General Acupuncture Points

Acupuncture points traditionally used when a thick tongue coating is found — 10 key points, used across the patterns below rather than tied to just one.

PointKey action
ST-36Benefits Stomach and Spleen. Tonifies Qi and Blood.
SP-6Strengthens the Spleen. Nourishes Blood and Yin.
SP-9Regulates the Spleen. Resolves Dampness. Opens the Water passages.
BL-20Tonifies Spleen and Stomach. Resolves Dampness. Nourishes Blood.
REN-12Tonifies Stomach and Spleen. Resolves Dampness and Phlegm.
ST-44Clears Heat. Regulates the Intestines and resolves Damp-Heat.
ST-40Resolves Phlegm and Dampness. Opens the chest and subdues rebellious Qi.
ST-25Regulates the Intestines. Moves Qi and invigorates Blood. Resolves Dampness.
L.I.-4Removes obstructions from the channel. Stops pain.
The Five Patterns

↑ reinforcing   ↓ reducing   ⊥ even method.

1. Spleen Deficiency With Dampness

Clinical manifestations: Pale, swollen tongue with teeth marks and white greasy coating, heaviness in the body and limbs, loose stools, abdominal bloating after eating, fatigue, drowsiness after meals, poor appetite, nausea.
Tongue: Pale, swollen body with teeth marks, moist white greasy coating. Pulse: Soggy and slow, possibly slippery.
Treatment principle: Tonifies Qi, strengthens the Spleen, drains Dampness.
Note: moxa applicable on ST-36/BL-20. This site has no combined Spleen-deficiency-with-Dampness slide, a gap confirmed absent many times over this session — no pattern link is given here; points still link fine individually.

2. Damp-Heat in Stomach and Spleen View full pattern →

Clinical manifestations: Thick yellow greasy tongue coating, bloating and fullness in the upper abdomen, sticky or incomplete stools, bitter or sticky taste, heaviness in the body and limbs.
Tongue: Red body, possibly swollen with teeth marks, thick yellow greasy coating especially at center and root. Pulse: Soggy and rapid, often slippery.
Treatment principle: Clears Heat and drains Dampness, regulates Qi and harmonizes the Middle Burner.
Note: no moxa. Matched to this site's own Damp-Heat-invading-the-Spleen slide.

3. Damp-Phlegm

Clinical manifestations: Thick white greasy tongue coating hard to scrape off, heaviness in the body and limbs, chest stuffiness and upper abdominal bloating, brain fog, dizziness, or muzzy-headedness, poor appetite, nausea, or loose sticky stools.
Tongue: Pale, swollen body with teeth marks, thick white greasy wet coating. Pulse: Slippery and possibly soggy, especially at the right middle position.
Treatment principle: Dries Dampness and transforms Phlegm, regulates Qi and harmonizes the Middle Burner.
Note: no moxa. This site has no plain body-wide Damp-Phlegm slide on any deck, a gap confirmed absent many times over this session — no pattern link is given here; points still link fine individually.

4. Food Stagnation in the Stomach View full pattern →

Clinical manifestations: Thick greasy curd-like coating thickest in the center, sour rotten-smelling belching, epigastric bloating and pain worse after eating, nausea or vomiting of sour undigested food, aversion to food and its smell.
Tongue: Normal body with thick greasy curd-like coating thickest in the center. Pulse: Slippery and full, especially at the right middle position.
Treatment principle: Promotes digestion and resolves food stagnation, harmonizes the Stomach, moves Qi.
Note: no moxa. Direct match with this site's own Retention-of-Food-in-the-Stomach slide.

5. Stomach Fire View full pattern →

Clinical manifestations: Burning sensation in the stomach area, constant hunger or large appetite, foul breath, swollen painful or bleeding gums, thirst with desire for cold drinks, red tongue body with central prickles.
Tongue: Red body with possible central prickles, thick dry yellow coat. Pulse: Rapid, slippery, and forceful, especially in the right Guan position.
Treatment principle: Clears Stomach-Heat, cools the Blood, nourishes Yin.
Note: no moxa. Matched to this site's own Stomach-Heat-(or-Phlegm-Heat) slide.
Related conditions

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