Milk thistle, or water thistle, has a certain effect of liver and bile, its actual effect varies from person to person, the specific use of medication must be taken under the guidance of a professional physician to identify the evidence. Milk Thistle is the dried mature fruit of Asteraceae plant Milk Thistle, which is cool in nature, bitter in taste, and belongs to liver and gallbladder meridian. It has the functions of clearing heat and detoxification (removing heat and toxicity from the body), protecting the liver and inducing bile. It is commonly used in the treatment of liver and gallbladder damp-heat (damp-heat evil stagnation in the liver and gallbladder), jaundice, and dystocia (pain in the area of the coarseness and ribs). The adverse reactions and contraindications of silymarin are not clear, and it is forbidden for those who are allergic to this product. Silymarin has a certain effect of hepatoprotective and choleretic, if the patient has the need for medication, must be carried out under the guidance of a professional physician, so as to avoid improper use of drugs, resulting in adverse consequences. If there is any discomfort, please consult a doctor in time.