Currently, endoscopic diagnosis and examination is widely used, which is an intuitive, accurate, fast and convenient diagnosis and treatment means. With the development of medical technology, endoscopic treatment is also quite mature, such as polyp removal, stone extraction, local treatment of tumors, endoluminal stent placement and other surgeries, which cannot be replaced by other methods. Since endoscopic diagnosis is an invasive method, it is difficult to operate, and many people are afraid of it. In fact, it is not as painful as one might think compared to other methods of diagnosis and treatment. A skilled physician can complete the examination or treatment in a few minutes, the physician will use the shortest possible time to complete the operation in order to reduce the pain; before the operation, the patient should follow the doctor’s instructions to prepare for the operation, the physician will give local anesthesia to reduce the reaction. Operation to cooperate with the physician’s movements, try to relax emotionally. Imagine, if the whole body is tensed tightly, it will be resistant to the operation, and it will be difficult to insert the mirror, which will inevitably increase the pain. Therefore, when endoscopic examination is needed, as long as you cooperate well, you will be able to minimize pain and complete the examination smoothly.