The usage of Shu Zi Cao is decoction or infusion of wine for internal use, and decoction of water for external use or pounding compress, and the usage of Xin Zi Cao is decoction or infusion of wine for internal use, and pounding compress for external use. It has the effect of dispelling wind and dampness (dispelling wind and dampness in the body), relaxing the tendons and activating the blood, brightening the eyes and detoxifying the toxin, and can be used to treat rheumatism and paralysis, lumbar muscle strain, bruises, menstrual disorders, conjunctivitis, water and fire scalded, sores and swollen poisons, etc. It can be taken internally as decoction or wine infusion, and externally as decoction or wine infusion. For internal use, it can be decocted into soup or soaked in wine, and for external use, it can be decocted into water and washed or pounded. Its contraindications and adverse reactions are not clear. It is bitter, pungent, neutral in nature, and belongs to the liver meridian. It can expel wind and remove dampness, soothe tendons and activate blood circulation, relieve cough and detoxify, and is mainly used for treating wind-cold-dampness paralysis (wind, cold and dampness three kinds of evils invade the human body and lead to paralysis of the limbs), joint pains and aches, numbness of the skin, limb weakness, jaundice, cough, bruise, sores, herpes and burns. Usage for internal use can be decoction or soaked in wine, external use can be pounded compress. However, it is important to note that the elongated tendon herb should be used with caution in pregnant women and people with excessive bleeding. Its adverse reactions are not clear. The use of medication should be under the guidance of a doctor, self-medication is not recommended.