A 12-year-old child with frequent stomach pain but normal ultrasound may be related to dyspepsia, mesenteric lymphadenitis, intestinal ascariasis and so on. It can be improved through dietary modification, anti-inflammatory symptomatic treatment, deworming treatment and so on. 1. Dietary modification: For children with stomach pain caused by indigestion, first of all, we should adjust the child’s dietary structure, eat small meals, reduce the intake of cold, spicy, greasy, stimulating food, but also pay attention to abdominal warmth, if necessary, can be taken orally to promote the digestion of intestinal probiotics. 2. Anti-inflammatory symptomatic treatment: for mesenteric lymphadenitis caused by stomach pain, if there is a bacterial infection, you can use cephalosporin antibiotics such as cefixime, cefaclor and other treatments. In acute attacks, scopolamine can be used to relieve intestinal spasm and relieve abdominal pain symptoms. 3. Deworming treatment: for abdominal pain caused by intestinal roundworm infection, the most fundamental treatment is deworming, you can use mebendazole, piperazine citrate, levamisole, etc. to paralyze the worms, and promote the discharge of worms so as to relieve the symptoms. The child’s stomach pain and ultrasound is normal, it is recommended to go to the hospital in a timely manner, to further improve the examination, to clarify the cause of the disease, to follow the doctor’s instructions for treatment, do not blindly use their own medication.