Belly pain on both sides of the navel may be due to the following reasons: First, gastrointestinal dysfunction, patients who ate cold food or abdominal cold and other reasons will cause gastrointestinal dysfunction, often appearing on both sides of the navel stomach pain, some patients will appear obvious abdominal distension. Second, acute gastroenteritis, patients who eat unclean food will lead to obvious abdominal cramps, pain is often located on both sides of the navel, often accompanied by abdominal distension, nausea and vomiting, as well as fever, it is recommended that patients improve the routine blood tests, routine stool examination, biochemical indicators. Third, acute appendicitis, in the early stage of acute appendicitis patients manifested as pain on both sides of the navel, with the prolongation of the course of the disease, the pain is gradually located in the right lower abdomen. So many diseases can cause pain on both sides of the navel, it is recommended that patients go to the hospital to do a detailed examination, to clarify what kind of disease after the corresponding treatment.