1.Before the examination 1.Eat a liquid diet the day before, and abstain from eating vegetables and fruits. 2, the night before and the morning before the examination under the doctor’s guidance oral laxative, clean intestinal tract. 3.Wear loose two-piece clothes on the day of examination. 4. Capsule endoscopy is not recommended for those with gastrointestinal obstruction, stricture or fistula, pacemakers or other electronic medical devices implanted in the body, pregnant women, swallowing difficulties, or those who refuse surgery. II. During the examination 1. Enter the patient information into the workstation computer software. 2.Install Given data recorder and its accessory devices, attach the array sensor to the correct position on the patient’s chest and abdomen, wear the recorder belt, etc. 3.Take oral effleurage 3-5 minutes before swallowing the capsule. 4.After swallowing the capsule endoscope and monitoring in real time with a laptop for half an hour to ensure that the capsule is working properly, the patient can leave the consultation room. 5.Patients are instructed to use a special form to record the events and capsule discharge time during the examination. 6. Pay special attention to instruct the patient to defecate before the capsule is expelled from the body must be defecated in the potty to make sure that the capsule is expelled from the body and there is no damage. Third, after the examination 1, after swallowing the capsule endoscope at least 2 hours after the abstinence from food and drink, 2 hours after the patient can drink water, 4 hours after the liquid, semi-liquid diet, after the examination can resume normal diet. 2. Patients can walk freely after swallowing the capsule endoscope, but do not move away from the examination site to ensure that the patient is under medical supervision for 8 hours after swallowing the capsule. 3, avoid approaching any strong electromagnetic source areas, such as magnetic resonance imaging (MRI), radio stations, so as not to affect the normal work of the capsule endoscope. 4.Patients should inform the operator promptly if they have discomfort symptoms such as epigastric pain, nausea, vomiting, etc., and regularly check the data logger indicator to clarify whether it is working normally. 5.After the examination, return the data recorder in a timely manner. The images in the recorder will be downloaded to the workstation by the physician for the endoscopist to observe and diagnose. 6.The patient can get the capsule endoscopy report card on the third day after the examination, or get the report card according to the notice of the endoscopy center.