Drinking alcohol after painless gastroenteroscopy is not recommended. Generally, gastroenteroscopy is mainly performed in the clinic because patients have abdominal pain, abdominal distension and other gastrointestinal discomforts, in order to further clarify the condition of the examination, and drinking alcohol will have a certain stimulating effect on the gastrointestinal mucosa, which may aggravate the condition. Especially after invasive operations such as taking pathology and cutting polyps in gastrointestinal examination, it is more inadvisable to drink alcohol, which will stimulate the trauma and affect its recovery, therefore, it is not recommended to drink alcohol after painless gastrointestinal examination as well as those who are suffering from gastrointestinal related diseases. After gastroenteroscopy, the attending physician will give appropriate dietary guidance according to the examination, do not eat food outside the guidance, so as not to affect the recovery of the disease.