Cardia polyp is related to inflammatory stimulation, dietary factors, genetic factors, cardia polyp 0.8X0.8 is recommended to go to the hospital for surgical treatment in time to avoid cancer. Cardia polyp refers to the polyp at the mucous membrane of cardia, which is located at the connection of stomach and esophagus. Cardia polyp may be related to long-term smoking and drinking, consuming spicy and stimulating foods such as frying and barbecuing, which lead to cardia mucous membrane congestion and erosion, and then form cardia polyp. It is also possible that gastroesophageal reflux, chronic inflammation, chronic gastritis and other diseases, long-term stimulation of the pancreatic location of the mucosa, leading to the pancreatic chronic inflammatory hyperplasia, and may be caused by genetic factors. Cardia polyp 0.8X0.8 is a large diameter polyp, and there is a risk of cancer, so it is recommended that the patient go to the hospital in time for surgical treatment such as high-frequency electrocoagulation and electrocutaneous excision, sleeve method, biopsy forceps removal, and other surgical treatments. No matter how big the diameter of cardia polyp is, it is recommended to go to the hospital in time for examination to find out the cause of the disease, and then according to the cause of the disease, so as to avoid delaying the treatment.