The silymarin in the title should refer to the Chinese herb silymarin. The correct way to take silymarin is to decoct the soup for internal use, or to make it into punch, capsule, pill and so on according to the need. Water thistle belongs to the heat-clearing and detoxifying (clearing heat and toxicity from the body) medicines in the heat-clearing medicines, and belongs to the whole herb and achene of the plant water thistle in the family of Asteraceae. Milk thistle is also known as milk thistle. It enters the liver meridian. It is bitter and cool in flavor. It can be used both internally and externally. It is effective in clearing away heat and dampness (removing heat and dampness from the body) and dredging the liver and gallbladder (unblocking the qi of the liver and gallbladder). It is long used in the treatment of cholelithiasis, cirrhosis and fatty liver, chronic hepatitis and cholangitis. It is cold in nature and should be used with caution for those with spleen and stomach deficiency (weak and cold spleen and stomach). Adverse effects of Silymarin are not known. Silymarin is contraindicated in people with a history of allergy to Silybum marianum. If needed, please use under the guidance of a professional Chinese medicine practitioner.