Generally speaking, the liver can be protected by avoiding alcohol, using drugs carefully and eating a healthy diet. 1. Avoid drinking alcohol: When a person ingests alcohol, the alcohol contained in alcohol will be broken down into acetaldehyde in the liver, and both alcohol and acetaldehyde will cause damage to liver cells. The process of chronic damage to the liver caused by alcohol is often not easy to be detected. Long-term alcohol consumption will cause liver cells to necrosis step by step and may even lead to cirrhosis of the liver. Therefore, if you want to protect your liver, you need to avoid drinking alcohol. 2. Use drugs with caution: As an organ whose main function is metabolism, the liver can metabolize toxic substances inside or outside the body. Most of the drugs will have certain toxic side effects on the body, so in order to reduce the burden on the liver, you need to use drugs carefully. 3. Healthy diet: When the daily diet is high in fat, fructose and calories and no exercise, it is possible to accumulate a large amount of fat in the liver cells, which in turn affects the normal functioning of the liver and forms a fatty liver. Therefore, in order to protect the liver, it is necessary to adjust the dietary structure and have a healthy diet. 4. Exercise moderately and avoid staying up late: moderate exercise can accelerate the discharge of toxic substances, and adequate rest can provide the liver with sufficient rest time. In order to protect the liver, you need to develop good habits in your daily life, such as avoiding tobacco and alcohol, and exercising appropriately. When you feel sick, you should consult a doctor in time.