Oxalis function (effect) is to clear heat and relieve dampness (removing heat and dampness from the body) and cool the blood and detoxify the toxin (referring to the treatment of blood-heat and toxicity), and is used as a main treatment for children’s convulsions (pediatric diseases mainly manifested by fainting, twitching, and convulsions), and B-brain as well as rheumatic brain and other diseases. Oxalis belongs to the traditional Chinese medicine, which is the root or the whole grass of Oxalis, with a sweet, bland and flat flavor, and belongs to the liver meridian, it can clear heat and diuresis (removing heat and dampness in the body), cool the blood and detoxify the toxin (referring to the treatment of blood-heat and toxin-containing). It is often used in the treatment of heat stroke and fever and pediatric convulsions (pediatric diseases mainly manifested by dizziness, apoplexy and convulsions), and can also be used for dysuria and dysentery as well as ulcers and swellings, and can also be used in the treatment of rheumatism, arthralgia, and pediatric dyspepsia. Note: The adverse reactions, contraindications and precautions of Niu Jie Cao are not clear. If you need to use the drug is recommended to be used under the guidance of a traditional Chinese medicine practitioner, unauthorized use of drugs may cause adverse consequences.