Cancer should not drink red wine. Although the alcohol content of red wine is relatively low, but when cancer patients ingest it, it may be converted into carcinogenic substances, and alcohol will stimulate the gastrointestinal tract, aggravate the patient’s regurgitation, acid reflux, abdominal distension and abdominal pain, etc., especially in the treatment of chemotherapy, radiotherapy cancer patients, the impact will be more prominent and obvious. In addition, under the stimulation of alcohol, the speed of blood circulation of human body will be accelerated, which will also allow a large amount of nutrients to be absorbed by the human body, leading to rapid proliferation of tumors in a short period of time, which will lead to gradual aggravation of the condition. Cancer patients need to maintain a light, easy-to-digest diet, and quit smoking and drinking, which will be beneficial to the recovery of their condition.