"Early diagnosis and treatment of gastric cancer and colorectal cancer not only has low treatment cost, but also generally can completely remove the focus through gastrointestinal endoscopy without suffering from surgery and chemotherapy, but many people wait until they have symptoms to check, which is in the middle and late stage." Recently, in the "National Cancer Prevention and control publicity week", Xie min, deputy director of gastrointestinal surgery of Hubei Cancer Hospital, said that the occurrence and development of gastric cancer and colorectal cancer are closely related to unhealthy diet and living habits, but most can be cured as long as they are found early. The latest data show that the incidence rate of gastric cancer and colorectal cancer in China is second and third in malignant tumors. The five year survival rate of early gastric cancer and colorectal cancer has reached 90%, while the five year survival rate of patients with advanced and advanced cancer is only 30.9%. "Irregular diet, high oil and salt, spicy, hot, drinking, and often eating takeout have unknowingly buried hidden dangers for health." Xie min told reporters that the occurrence and development of gastric cancer and colorectal cancer are closely related to long-term unhealthy diet and living habits. It is understood that most of the early symptoms of gastrointestinal tumors are not obvious, so the incidence is hidden and the early detection rate is not high. When many patients have obvious symptoms, they are in the middle and late stage, and are often accompanied by lymph node metastasis. If they are not treated in time, they will be life-threatening. With the development of medical science and technology, the treatment level of gastric cancer and colorectal cancer has been significantly improved. Xie Min said: "gastrointestinal endoscopy is the gold standard for the detection of early gastrointestinal cancer. It can accurately find the lesion site, directly process or take tissue for pathological analysis. If the precancerous lesions or early cancer of the digestive tract can be found in the early stage, the experienced endoscopic center can completely remove the diseased tissue through endoscopic operation, which can be cured without chemotherapy." It is reported that the peak incidence of gastric cancer is 40-60 years old, and there is a younger trend in recent years. The occurrence of stomach, colon, rectum and other tumors does not occur in a short time. It will take about 5-10 years or even longer, but the body may not show any performance in such a long time. The occasional stomach pain, abdominal pain and diarrhea are often covered up by improper eating. The symptoms of discomfort will be improved with some medicine. It is rarely thought that there may be tumors in the gastrointestinal tract. Many people feel that their gastrointestinal tract is very good at ordinary times and do not need to be checked. When they have symptoms, it is too late. Xie min reminded the general population that even if they are asymptomatic after the age of 40, it is recommended to have a gastrointestinal endoscopy. People with a family history of gastrointestinal tumors should be examined in advance. The significance of examination is not only to find early gastric cancer and enable patients to receive timely and effective treatment, but also to minimally treat precancerous lesions such as adenomatous polyps under endoscopy, so as to eliminate the cancer before germination. (outlook new era)