Objective To study the CT manifestations and diagnostic value of stromal tumor.Methods CT documentation of 25 stromal tumor cases confirmed by surgery and pathology were analyzed retrospectively,all cases underwent 64 row or 256 row spiral CT plain scan and enhanced scan.Results Within 25 cases,1 7 cases were gastrointestinal,of which,10 cases were found in stom-ach,1 case in duodenum,3 cases in jejunum and 3 cases in ileum;and 8 cases were extra-gastrointestinal,of which,6 cases were found in enterocoelia,1 cases in inguinal region,1 case in abdominal wall;the ratio was 2.1 ︰ 1.In 25 cases,highly malignant dan-ger level were 1 1 cases,7 cases of moderate and 7 cases of low malignant danger;Transfer occurred in 7 cases and 3 cases of postop-erative recurrence.Conclusion The volume CT has great advantages in displaying information in lesion,and has high value in loca-ting the lesion and qualitative diagnosis of disease.