General gastroenteroscopy can examine the esophagus, stomach, duodenum, rectum, colon and other parts of the body, and can detect inflammation, ulcers, tumors, and other digestive system diseases in the digestive tract. Ordinary gastroscopy through the mouth will gastroscope into the digestive tract, can observe the esophagus and stomach wall mucosa, observe its ulceration, damage, bleeding, inflammation, there is no new biological growth, through the gastroscope observation, you can initially determine whether the patient suffers from gastritis, gastric ulcers, and other diseases, for gastric polyps can be endoscopically resected, and for the esophagus and other parts of the foreign body can be pincer extraction. Ordinary enteroscopy through the anus will enter the enteroscope into the digestive tract, you can observe the anus, rectum and colon mucosa, observe whether there is ulceration, bleeding, there is no new biological growth, the preliminary judgment whether the patient suffers from enteritis, intestinal tuberculosis, rectal cancer and other diseases, for the intestinal polyps can be endoscopically resected.