Long-term drunkenness is clinically harmful to the human body, and the specific hazards of long-term drunkenness are as follows: 1. Long-term drunkenness is likely to lead to the development of alcoholic liver, and in serious cases, cirrhosis of the liver and even liver cancer. Long-term drunkenness may also cause gastrointestinal system diseases, such as superficial gastritis, erosive gastritis, reflux gastritis or gastric ulcer, duodenal ulcer, and for more serious long-term drunkenness, it may also induce pancreatitis. 2. Long-term drunkenness is also related to the occurrence of cancer. The chances of cancer occurrence are very high. Therefore, through the above analysis, long-term drunkenness is not good for the human body, so you should avoid long-term heavy drinking and ensure a good lifestyle to protect your body.