Tummy pain for two or three years and still hidden pain, mainly consider chronic cholecystitis, chronic gastroenteritis, irritable bowel syndrome and so on. 1. Chronic cholecystitis: when patients have chronic cholecystitis due to gallbladder stones, they will have continuous stomach pain, especially after eating greasy food, the pain is obvious. 2. Chronic gastroenteritis: patients with persistent chronic gastroenteritis, intestinal flora imbalance, irregular intestinal peristalsis, persistent vague pain in the stomach. 3. Irritable bowel syndrome: when the patient’s mental stress is too great, emotional tension is too much, it will reflexively cause gastrointestinal discomfort, appearing for a long time in the stomach hidden pain. In addition, the stomach pain for two or three years and also hidden pain may have other reasons, it is recommended that the patient go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.