If you have vague pain on the left and right side of the belly button, first consider whether there is intestinal inflammation that causes intestinal spasm leading to pain. Some other common diseases, including acute pancreatitis, adhesive intestinal obstruction, acute appendix, ureteritis or ureteritis, and ovarian cysts with torsion of the tissues, may cause pain. Severe pain may be caused by a colon tumor. If it is a general intestinal infection, it may be accompanied by gastrointestinal symptoms, like nausea, vomiting, and passing loose stools. If it is pancreatitis, it is better to go to hospital for examination to be clear and then treat accordingly. So the pain around the navel on the left and right sides, to clarify the cause, it is recommended to go to the hospital for further examination.