Thirty nine cases of rhabdomyosarcoma and unclassified sarcoma as of January, 1971 to December, 1980 were reviewed. On critical analysis three cases of soft tissue tumor resembling Ewing's sarcoma of bone were noted. Primary sites were right orbit, right popliteal fossa and right buttock. The patients ranged from 5 months to 36 years of age. These tumors consisted of monotonous tumor cells with round-to-oval nuclei and scant pale-staining indistinct cytoplasm. The nuclei had fine dispersed powdery chromatin with indistinct nucleoli. Glycogen was demonstrated in all case. According to this analysis extraskeletal Ewing's sarcoma seemed to be a distinct clinicopathological entity. Differential diagnoses and histogenesis of extraskeletal Ewing's sarcoma were presented.