Alcohol consumption is an important cause of liver injury, but the patient’s liver does not necessarily recover completely after quitting drinking, whether and how long it will recover should be judged in conjunction with the patient’s liver injury. Liver is an important digestive organ of human body, with strong regenerative ability, if the patient only causes minor liver damage such as liver function related indexes ALT, AST, etc. only slightly elevated, quit drinking at the same time use some drugs to protect the liver, such as compound glycyrrhizin, etc., generally can be recovered, the specific time of recovery varies from person to person, and the symptom can be improved within half a month or so. However, if the liver damage is serious and serious lesions such as cirrhosis occur, recovery is not possible. Even if abstaining from alcohol cannot make the patient’s liver function recover completely, it can effectively prevent further damage to the liver function, and it is recommended that the patient abstain from alcohol as soon as possible.