After doing colonoscopy stomach flatulence can be observed, moderate exercise, domperidone, mosapride and other medications. 1. Observation: In order to better observe the patient’s intestinal mucosa, the patient’s intestinal cavity will be inflated when doing colonoscopy, so it is a normal phenomenon that the patient’s stomach is bloated after doing colonoscopy. If the patient’s bloating symptoms are not very serious, just pay attention to rest, and the bloating symptoms can be relieved by themselves. 2. Moderate exercise: If patients have symptoms of flatulence after colonoscopy, they can exercise moderately. For example, take a walk to promote the peristalsis of the gastrointestinal tract, which is conducive to the discharge of gas in the gastrointestinal tract. Moderate exercise can be, should not be strenuous exercise, strenuous exercise may aggravate intestinal spasm. 3. medication: if the patient after gastroscopy symptoms of flatulence, lasting a long time, and can not be relieved, you can take drugs to promote intestinal peristalsis. For example, domperidone, etopride, mosapride, etc., to relieve the patient’s symptoms of flatulence. If the patient has stomach flatulence after colonoscopy, he should seek medical treatment in time and take medication under the guidance of the doctor, and should not take medication on his own.