Clinical diagnostic criteria for alcoholic liver disease 1. History of long-term alcohol consumption, usually more than 5 years, fold self-test and monitoring: diet, exercise, sleep, weight and indicators related to quality of life Imaging assessment of the extent and type of distribution of fatty infiltration in the liver Combined alcohol amount ≥ 40 g/d for men and ≥ 20 g/d for women; or a history of heavy drinking within 2 weeks, with a combined alcohol amount > 80 g/d. 2. Clinical symptoms are non specific, may be asymptomatic, or have right upper abdominal distension, loss of appetite, fatigue, weight loss, jaundice, etc.; with the aggravation of the disease, there may be neuropsychiatric, spider nevus, liver palm and other signs and symptoms 3, glutamic oxalyl transaminase, glutamic aminotransferase, total bilirubin, prothrombin time and red blood cell mean volume and other indicators are elevated, these indicators can be significantly decreased after the prohibition of alcohol 4, liver ultrasound or CT examination has Typical manifestations 5. Exclude hepatophilic virus infection, drugs and toxic liver injury, etc. The alcohol conversion formula is: g=drinking volume (ml) × alcohol content (%) × 0.8 Treatment countermeasures for alcoholic liver disease 1. abstinence from alcohol and nutritional support 2. control of hypermetabolic state, inflammation, cytokine dysregulation, oxygen stress 3. symptomatic treatment of alcoholic cirrhosis and its complications 4. liver transplantation Abstinence from alcohol 1. 2.After 2-4 weeks of complete abstinence from alcoholic fatty liver disease, most of them can show significant improvement in histology and liver function, or even return to normal. 3.For chronic alcoholic hepatitis, after 3-6 months of abstinence from alcohol, liver function mostly returns to normal. 4.About 50% of alcoholic hepatitis can be significantly improved after 1 year of complete abstinence from alcohol or significant reduction in alcohol consumption; if alcohol consumption is continued, it may develop into cirrhosis in 1-13 years.