Tummy ache is abdominal pain, abdominal pain has many causes, generally there may be abdominal organ inflammation or gastrointestinal diseases. 1. Inflammation of the abdominal organs: Acute gastroenteritis or acute cholecystitis, pancreatitis, appendicitis, etc. can lead to abdominal pain. 2. Gastrointestinal diseases: If you have gastrointestinal diseases, it can also lead to abdominal pain. For example, reflux esophagitis, chronic gastritis, duodenal ulcer and other chronic gastrointestinal diseases may cause abdominal pain. There are many causes of abdominal pain. If you feel abdominal pain, it is recommended that you go to the hospital in time and under the guidance of your doctor, undergo the relevant examinations. For example, blood tests, liver and kidney function tests, or abdominal ultrasound and other tests. If abdominal pain occurs, the patient can choose to seek medical treatment according to the pain, do not leave the pain unattended or randomly take painkillers.