急性消化道大出血出现循环衰竭时可危及生命。近年来对本病的治疗虽有许多先进方法，但死亡率仍高达10％左右，其预后与能否迅速确定出血病因和部位并给予及时的救治有直接关系。随着传染病的控制，伤寒引起消化道大出血已属罕见。现报告一误诊病例，以期提高对消化道出血的诊 Acute gastrointestinal bleeding can appear to be life-threatening when circulatory failure occurs. In recent years, although there are many advanced methods for the treatment of this disease, the mortality rate is still as high as 10%. The prognosis is directly related to the prompt determination of the cause and location of bleeding and prompt treatment. With the control of infectious diseases, typhoid caused gastrointestinal bleeding is rare. A case of misdiagnosis is now reported, with a view to improving the diagnosis of gastrointestinal bleeding