A gastroscopy requires a specialized doctor, usually a gastroenterologist, to perform the procedure. Gastroscopy is an examination in which a long, thin, flexible tube with a camera at the front is inserted into the stomach and a series of observation or biopsy operations are performed. Gastroscopy has a certain degree of risk, such as improper operation may cause mucosal damage, throat injury, etc., endoscopy, such as the operation of a skilled doctor to operate, can reduce the patient’s discomfort, try to avoid causing damage to the patient, so endoscopy is generally completed by a specialized doctor, usually operated by gastroenterologists. If the patient has gastrointestinal discomfort or other conditions that require gastroscopy, he should go to a regular hospital and actively cooperate with the doctor for examination.