Jikangning is composed of Gastrodia elata, Lumbricus, Achyranthes bidentata, Eucommia ulmoides, etc. Its prescription principle is based on pathogenesis. Due to congenital deficiency, the pathogenesis of this disease is liver and kidney deficiency, liver wind moving inward, spleen deficiency and phlegm and blood stasis. Zang-fu organs are located in liver, spleen and kidney. Therefore, the principle of nourishing liver and kidney, benefiting spleen and calming liver wind, resolving phlegm and removing blood stasis is to treat both the symptoms and root causes.

Gastrodia elata, sweet and flat in nature, enters the liver meridian and is divided into drugs that enter the liver meridian and qi. Take its function of dispelling wind and resolving phlegm, calming wind and calming convulsion. Scorpion, salty and poisonous, has the function of expelling wind and dredging collaterals. Scolopendra, pungent, toxic, enters the liver meridian, and takes its function of expelling wind and dispersing stagnation. Pheretima, salty and cold in nature, enters the liver, spleen and lung meridians, and takes its function of calming the liver and dredging collaterals. Herbal Medicine in Southern Yunnan said: "Strengthening tendons to cure wilting." Achyranthes bidentata, sweet, bitter and sour in nature, has the functions of nourishing liver and kidney, strengthening bones and muscles, promoting blood circulation and removing blood stasis. Eucommia ulmoides Oliv It is sweet and slightly pungent, warm in nature, enters the liver and kidney meridians, and has the functions of nourishing liver and kidney and strengthening bones and muscles. Compendium of Materia Medica contains Eucommia ulmoides Oliv. The ancient prescription only knew nourishing the kidney, but Wang said that liver meridian and liver qi should be divided into drugs to moisten the liver and replenish liver deficiency, which was not available in the past. Covering the main tendons of the liver, the kidney governing the bones, the kidney filling the strong bones, and the liver filling the strong tendons, flexion and extension are all tendons, so it can enter the liver and tonify the kidney. Several kinds of insect drugs in the prescription are mainly calming the liver, calming the wind and resolving phlegm, supplemented by Achyranthes bidentata and Eucommia ulmoides Oliv., supplemented by promoting blood circulation and removing blood stasis. Toning spleen with yellow is a strong source of biochemistry. * * * tonify liver and kidney, calm liver wind, benefit spleen, resolve phlegm and remove blood stasis.