The capsule gastroscope does not have to be specifically removed, but passes through the body’s digestive system and is naturally discharged from the body through the anus with the stool. After entering the human body, capsule gastroscope can check the stomach, small intestine, large intestine and other aspects of the disease, especially suitable for the examination of the small intestine, and its advantage is painless, simple operation method. After the examination capsule gastroscope will pass through the intestinal peristalsis and be discharged out of the body with the stool. Capsule gastroscopy is not controllable after being swallowed into the digestive tract, so sometimes it may not be possible to observe all the lesions clearly and comprehensively, so there may be missed diagnosis. Capsule gastroscopy is a relative contraindication for patients with intestinal obstruction, which may lead to gastrointestinal intussusception. It is important to follow the advice of a medical professional when performing capsule gastroscopy.