Gastric tube for conservative treatment of gastric perforation is usually inserted for about a week, the specific time also needs to be decided according to the condition. Gastric perforation belongs to the clinical emergency, the use of conservative treatment, gastric tube is generally in the patient’s gastrointestinal function recovery, the emergence of anal gas defecation, gastric tube can be removed, but also depends on the patient’s own ability to recover. Generally, when there is no other infection and other abnormal conditions, this time is mostly about one week after the operation. If the patient’s regulation is poor and recovery is slow, the time of inserting the gastric tube can also be extended appropriately. It is recommended to follow the doctor’s advice on the exact duration of the gastric tube. After the gastric tube is removed, the patient’s initial diet should be light and fluid, such as some fish soup, vegetable soup, meat soup, or rice soup, which will help the patient to digest. In addition, patients should have good dietary and living habits, should not eat spicy and stimulating foods, and should not overeat. Pay more attention to rest, keep enough sleep, but also to maintain a good state of mind, and actively cooperate with the treatment.