The precautions to be taken after colonoscopy include observing the body condition and reporting in time, dietary adjustments, restriction of activities, and so on. 1. Observe the body condition and report in time: after colonoscopy, patients should pay attention to observe the body condition in time, if they find blood in the stool, persistent abdominal pain, strong abdominal distension and other obvious discomfort symptoms, they should report to the doctor immediately, and the doctor will take corresponding measures according to the situation. 2. Dietary adjustments: After colonoscopy, patients should pay attention to their diet, and should not eat spicy, stimulating and greasy food for 1 day, after which normal diet can be resumed if there is no obvious abnormal reaction. 3. Restriction of activities: After colonoscopy, patients should pay attention to the fact that they should not drive motor vehicles, operate machinery, engage in aerial work and other activities within 1 day. The precautions after colonoscopy are recommended to follow the doctor’s advice and strictly follow the doctor’s instructions.