Classic formula · Tonify yin

Yi Guan Jian

一贯煎 Linking Decoction

The formula for a dry, stuck Liver. A dull ache or tightness under the ribs, acid or a sour taste, a dry mouth and throat, and a red tongue with little coat, in a person who is both yin-deficient and tense. It nourishes the Liver and Kidney and gently moves the Liver qi at the same time.

Most Liver-moving formulas are drying, and a dry Liver cannot take them. Yi Guan Jian is five moist tonics and one small moving herb: it oils the hinge before it swings the door.

6 herbs Source: Xu Ming Yi Lei An (Continuation of Famous Physicians' Cases Organized by Categories), Qing dynasty, 1770 Updated 2026-10-12 View API data

Also sold as: One Thread Decoction · Linking Formula

Who Yi Guan Jian is for

This formula is chosen for 3 patterns. Match your own picture before you match the name.

Signs it is classically given for

  • Dull pain or tightness under the ribs or in the upper abdomen
  • Acid reflux, a sour or bitter taste
  • Dry mouth and throat
  • Chronic hepatitis or a tight tender liver area in a dry person
  • Hernia pain in a thin, dry person
  • Irritability with dryness rather than heat
Tongue
Red and dry with little coat.
Pulse
Thin, weak, and wiry.

What is in Yi Guan Jian

Amounts are the classic decoction range in grams. Patent pills use the same herbs in the same proportion, so read the box for these names.

HerbAmountRoleJob in the formula
Sheng Di Huang Fresh Rehmannia Root 18 g Chief Raw rehmannia nourishes yin and cools the blood.
Gou Qi Zi Chinese Wolfberry Fruit Use caution 12 g Deputy Goji nourishes Liver and Kidney.
Bei Sha Shen Glehnia Root Use caution 9 g Deputy Glehnia moistens the Lung and Stomach.
Mai Dong Mai Dong Ophiopogon Root Tuber 9 g Deputy Ophiopogon moistens.
Dang Gui Root of Chinese Angelica Use caution 9 g Assistant Angelica nourishes blood and keeps it moving.
Chuan Lian Zi Szechwan Chinaberry Fruit Use caution 5 g Envoy Melia fruit moves the stuck Liver qi and eases the rib pain, in a small dose.

How Yi Guan Jian works

Five moistening tonics feed the Liver, Kidney, Lung, and Stomach, so the Liver has the fluid it needs to move freely. One small dose of melia fruit then unties the knot under the ribs without drying anything. That balance is why it works where Xiao Yao San would be too drying.

Actions in classic terms

  • Enriches Liver and Kidney yin
  • Spreads Liver qi gently

Common changes to Yi Guan Jian

A practitioner rarely gives the bare formula. These are the classic additions for a specific picture.

  • Constipation add Gua Lou Trichosanthes moistens the gut.
  • Strong acid and heat add Huang Lian A pinch of coptis for the burning.
  • Insomnia add Suan Zao Ren Jujube seed for sleep.

Cautions with Yi Guan Jian

  • Moist and rich. Not for a damp or phlegmy picture or a thick tongue coat.
  • Melia fruit is mildly toxic in large doses; the formula keeps it small. Do not increase it.
  • Pregnancy: use only under a qualified practitioner.

Forms and typical dose

Sold as granules, decoction, teapills.

Decoction
One bag a day in two doses, with the amounts above
Granules
As the label directs, usually twice a day
Course
One to two months, then reassess.

Follow the label of the brand you buy. Pill sizes differ between makers.

Buying Yi Guan Jian

The box reads Yi Guan Jian with the characters 一贯煎. Six ingredients: raw Rehmannia, Lycium, Glehnia, Ophiopogon, Angelica, and Melia fruit.

Brand comparisons for formulas live on Supplements Apothecary, the buying side of this library.

Formulas often confused with Yi Guan Jian

  • Xiao Yao San 逍遥散 The usual formula for a stuck Liver, but drying. Choose Yi Guan Jian when the tongue is red and bare and the mouth is dry.
  • Qi Ju Di Huang Wan 杞菊地黄丸 Liver and Kidney yin for the eyes, with no qi-moving herb. Choose it when the ribs are not the complaint.

Conditions where Yi Guan Jian comes up

Sources

  • Bensky, Scheid, Ellis and Barolet, Chinese Herbal Medicine: Formulas and Strategies, 2nd edition Composition, actions, indications, and cautions.

Important Note

Formula pages describe classic use so you can read a label, ask a better question, and find the right monographs. They are education, not a prescription. A formula that fits the wrong pattern can make things worse, so match the picture first.