After the colonoscopy gastroscopy need to pay attention to rest, diet and the presence of abdominal pain, blood in the stool and other uncomfortable symptoms. 1. Pay attention to rest: you should pay attention to rest after the colonoscopy, avoid exertion, and try to avoid driving any vehicle on the same day. 2. Pay attention to diet: Generally, you should eat after 2-4 hours after colonoscopy, and start with fluids, gradually transition to semi-fluids and ordinary diet, and the food should not be too hot. Diet should be light, avoid spicy and stimulating food, avoid drinking strong tea, coffee and other stimulating beverages. 3. Discomfort symptoms: After colonoscopy, you should pay attention to whether there are symptoms such as abdominal pain, bloating, blood in stool, nausea, vomiting, or even fever. If there is any discomfort, it is recommended to consult the doctor in time for targeted treatment under the doctor’s guidance.