How long it takes for the liver to recover after abstinence from alcohol depends largely on the severity of liver damage and cannot be generalized. Abstinence from alcohol has a positive protective effect on liver recovery. If the damage was only simple liver cell damage before abstinence, some patients can gradually recover in about 1-2 weeks. However, if it has led to alcoholic cirrhosis, it usually only slows the progression of cirrhosis, but not recovery. In the case of alcoholic hepatitis, which is common in clinical practice, the damage to liver function occurs as a result of long-term heavy drinking, and this can be treated promptly and effectively with liver-protective drugs. After liver injury, patients are recommended to have early clinical intervention, and even if recovery is obtained, they should pay attention to rest, avoid exertion and ensure adequate nutrition within six months.