There are many causes of swelling and pain around the navel, and the tests for different causes will be different, usually involving routine blood tests, ultrasound, CT and other tests. If the pain around the navel is severe, it is recommended that you first visit the emergency department, and the doctor will conduct the necessary tests according to the patient’s condition. Pain around the navel may be intestinal causes, need to do routine blood tests to determine whether the white blood cells are abnormal; may also need to do abdominal ultrasound to diagnose whether the urinary stones; in addition there may be appendicitis, need to do CT and ultrasound and other tests. Pain and swelling around the navel can also be caused by other diseases, different diseases need to do different tests. It is recommended that patients go to the hospital in a timely manner under the guidance of the doctor to carry out the appropriate examination.