Cancers such as breast, colon and liver cancer are associated with alcohol consumption. Alcohol intake is carcinogenic and may cause the development of many types of cancers (e.g., esophageal cancer, bladder cancer, etc.), so it is recommended to refrain from drinking alcohol or to drink less alcohol. 1. Breast cancer: There is a clear association between alcohol consumption and breast cancer. Alcohol changes the level of sex hormones, especially interfering with estrogen, increasing the risk of breast cancer in women. 2. Colon cancer: If patients drink alcohol for a long time, it may stimulate the mucous membrane of the colon, which may cause mucous membrane lesions and eventually lead to colon cancer. Colon cancer may be due to family heredity, or it may be caused by improper dietary habits, excessive smoking and drinking. Patients should pay attention to consume more food rich in high protein and high vitamin in daily life, quit smoking and drinking, and avoid spicy and too stimulating food. 3. Liver cancer: Alcohol can damage liver cells and easily cause liver cancer. Alcohol will destroy the fat metabolism of the liver and cause liver steatosis, leading to steatohepatitis and then liver cancer. Long-term alcohol consumption will lead to cirrhosis of the liver, which will easily cause liver cancer. Excessive alcohol consumption can lead to many diseases, so it is recommended to drink appropriately, pay attention to regular work and rest, and eat a healthy diet.