Traditional Chinese Medicine Healing Herbs(TCMHH)
Ask us

Prescriptions for Replenishing Yin

Er Zhi Wan

二至丸
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Advertisement

Name

Two Solstices Pill

The Prescription of Er Zhi Wan

Source

The book Yi Fang Ji Jie

Ingredients

Nv Zhen Zi (Fructus Ligustri Lucidi) adequate amountHan Lian Cao (Herba Ecliptae) adequate amount

Explanation

Nv Zhen Zi: Being sweet and bitter in taste and cold in nature, nourishing the kidney and tonifying the liver.

Han Lian Cao: Being sweet and sour in taste and cold in nature, nourishing Yin and supplementing vital essence, cooling blood to stop bleeding.

The Effect of Er Zhi Wan

Effect

Tonifying the kidney and nourishing the liver.

Indications

Syndrome due to Yin deficiency of the liver and kidney, marked by bitter taste in the mouth, dry throat, dizziness and vertigo, insomnia, dreaminess, soreness and weakness of the loins, flaccidity of' the lower limbs. Nocturnal emission, and early greying of the hair; including such diseases with the above symptoms as neurosism and early greying of the beard and hair.

Administrations

Nv Zhen Zi is steamed until it is done, dried in the air, ground into fine powder, and sifted. Han Lian Cao is decocted in water 3 times for the decoctions, which is condensed into liquid extract, into which an adequate amount of honey is added and stirred evenly. The extract and the powder of Nv Zhen Zi are mixed together into boluses, each of which weighs 15 g. 1 bolus is taken with boiled water each time, twice daily, in the morning and evening.

Advertisement

Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

Did this article help you?

Your answer shapes what gets rewritten next.

👍 Yes, this helped 👎 No, something is missing

Keep readingRelated entries

Er Zhi Wan (二至丸): Classic TCM Formula Two Solstices Pill The Prescription of 二至丸 Source The book Yi Fang Ji Jie Ingredients Nv Zhen Zi (Fructus Ligustri Lucidi) adequate amountHan Lian Cao (Herba Zhaiping Shuyu Wan: Classic TCM Formula Name The Prescription of Zhaiping Shuyu Wan Source The book Qian Jin Yi Ingredients Shu YuNiu XiTu Si ZiZe XieSheng Di HuangFu LingBa Ji TianChi Shi ZhiShan Zhu YuDu ZhongCong Rong. Zhi Bai Di Huang Wan (知柏地黄丸) The Prescription of 知柏地黄丸 Ingredients Zhi Mu 40 g,Huang Bo 40 g,Shu Di Huang 160 g,Shan Zhu Yu 80 g,Mu Dan Pi 60 g,Shan Yao 80 g,Fu Ling 60 g,Ze Xie 60 g Zhibo Dihuang Wan: Classic TCM Formula Name The Prescription of Zhibo Dihuang Wan Ingredients Zhi Mu 40 g,Huang Bo 40 g,Shu Di Huang 160 g,Shan Zhu Yu 80 g,Mu Dan Pi 60 g,Shan Yao 80 g,Fu Ling 60 g,Ze Xie 60 g.

Something this article did not cover?

Ask us directly. We reply within two days, and good questions become public articles.

Ask a question →