No matter which kind of cancer patients are, they should not drink alcohol. Because the physical state and immune function of cancer patients will be worse than normal people in most cases, if cancer patients drink alcohol for a long time and in large quantities, it will further affect the physical state of health of cancer patients and further reduce the immune function of cancer patients, which is not conducive to the physical recovery of cancer patients. In addition, many cancer patients after chemotherapy, targeted drugs and other anti-tumor treatment, often appear in the gastrointestinal tract mucosa have different degrees of damage, and alcohol in the alcohol for cancer patients will make the gastrointestinal tract mucosa damage aggravated, which may trigger the corresponding stomach lesions, but also aggravate the deterioration of cancer. In addition, even if the patient’s cancer is cured, alcohol consumption will increase the risk of cancer recurrence, and alcohol also affects the metabolism of drugs, so it is recommended that cancer patients need to abstain from alcohol during treatment.