Taking liver protection tablets before drinking is usually not useful. Liver protection tablets have the effect of lowering transaminases and are mostly used in chronic hepatitis and early cirrhosis. Its contraindications, adverse reactions and precautions are not clear. The purpose of taking liver protection tablets before drinking is to protect the liver from alcohol. In fact, drinking alcohol needs to be metabolized by the liver, and liver tablets also need to be metabolized by the liver, the two together will aggravate the burden on the liver, resulting in liver damage. Liver tablets are usually used as health care products or to assist in some treatments, and do not have the effect of alcohol detoxification, and can not play a role equivalent to that of drugs. Therefore, it is generally useless to take liver protection tablets before drinking. It is recommended to consult a physician for medication in case of discomfort.