Abstract: Objective To analyze the imaging features of gastrointestinal tuberculosis．Methods19 patients with gastrointestinal tuberculosis were analyzed retrospectively．The imaging changing in shape, location, edge and surrounding tissue of lesion were involved. ResultsWe found one stomach tuberculosis，one jejunum tuberculosis，15 terminal ileum or ileocecal junction tuberculosis，one terminal ileum and ascending colon tuberculosis， one transverse colon tuberculosis in 19 patients. Except for misdiagnosis in one ileocecal junction tuberculosis and one stomach tuberculosis，the other patients got a correct diagnosis in according with pathological diagnosis. The rate of misdiagnosis was 10.5% and the rate of accuracy was 89.5%．ConclusionGastrointestinal tuberculosis have some imaging features，but diagnosis should be identified according to clinical history, pathology and bacteriology detection．

Key words: tuberculosis, gastrointestinal, contrast radiography, tomography, X-ray computed