If inflammation of mesenteric lymph nodes causes stomach pain and fever, you need to go to the general surgery department of a hospital in time. The diagnosis can be confirmed through professional examination by a doctor, together with auxiliary tests, including routine blood tests and ultrasound examination of mesenteric lymph nodes. If the diagnosis of lymph node inflammation is confirmed, it is necessary to apply antibacterial drugs and pay attention to a light diet, forbidding spicy, stimulating and cold foods, and eating more fresh vegetables, fruits and easily digestible foods. Local hot compresses can be used to promote the dissipation of inflammation and reduce local pain. Mesenteric lymphadenitis is a common clinical disease of right lower abdominal pain in children. Due to the imperfect development of the large omentum in children, when the upper respiratory tract infection or diet is not careful, it can cause inflammation of the mesenteric lymph nodes and cause stomach pain.