患儿，男性，２岁，因“呕血一天”入院。入院前因受凉后发热，体温３８℃，自服安乃近片２次，每次０．２５，服后２４小时出现中上腹疼痛，呕血四次，共呕吐暗红色和鲜红色血液６００ｍｌ，当地医院经输血后急送我院，病前未服过易引起消化道出血的其它药物。否认肝炎、结核? Children, male, 2 years old, due to “hematemesis one day” admission. Before admission due to cold and fever, body temperature 38 ℃, since the service is nearly 2 tablets, each 0.25, 24 hours after taking the appearing abdominal pain, hematemesis four times, a total of vomiting dark red and red blood 600ml, The local hospital was sent to our hospital after blood transfusion, before the disease has not taken over other drugs that cause digestive tract hemorrhage. Denied hepatitis, tuberculosis?