After gastroenteroscopy, it is necessary to regulate diet, pay attention to rest, pay attention to temperature changes, etc. 1. Regulate diet: After gastroenteroscopy, patients are advised to regulate their diet and try to eat more fluids and semi-fluids at the beginning to reduce the intake of spicy and stimulating foods because the enteroscope and gastroscope enter into the digestive tract. 2. Pay attention to rest: when the patient performs gastroenteroscopy operation, the patient is highly nervous, and the operation will stimulate the gastrointestinal mucosa, at this time, it is recommended that the patient take more rest to promote the recovery of the gastrointestinal mucosa. 3. Pay attention to body temperature change: when the patient performs gastroenteroscopy operation, the temperature of the surrounding environment is too low due to the operation factors, and the patient must pay attention to the body temperature change after the end of gastroenteroscopy, so as to avoid delaying the treatment due to the untimely discovery of the patient.