Enteroscopy for three years has been abdominal discomfort may be due to gastrointestinal diseases or gynecological diseases, the patient needs to consult the doctor in time to find out the cause, if necessary, still need to improve the enteroscopy, gastroscopy, ultrasound and abdominopelvic CT examination. There are many reasons for constant abdominal discomfort, which is commonly caused by gastrointestinal diseases such as chronic gastritis, peptic ulcer, enteritis, etc. Gastrointestinal diseases can be clarified through enteroscopy and gastroscopy. If you consider the lesions in the small intestine, you can improve the capsule endoscopy or even small colonoscopy under the guidance of the doctor. Female patients also need to be alert to gynecological tumor lesions, feasible ultrasound examination to clarify. Chronic gastritis can be manifested as discomfort or pain in the middle and upper abdomen, fullness and bloating after meals, acidity, nausea, lack of appetite, etc.; peptic ulcer is mostly manifested as regular pain in the middle and upper abdomen, and recurrent episodes. Enteritis is mainly manifested as nausea, vomiting, abdominal pain, diarrhea, etc.; gynecological tumors such as uterine fibroids can manifest abdominal mass, lower abdominal swelling, and accompanied by leukorrhea, menstrual abnormalities and other symptoms. Therefore, enteroscopy for three years has been abdominal discomfort, there may be the existence of lesions, patients can not be taken lightly, should promptly consult a doctor, if necessary, perfect enteroscopy, gastroscopy, ultrasound and abdominopelvic CT examination.