Alveolar soft tissue sarcoma(ASPS) is a rare kind of highly malignant tumors.It has the charac teristics of young onset age,early metastasis,low five-year survival rate and poor long-term prognosis.ASPS often occur in the deep soft tissues of limbs,while less occur in the head and neck.Articles about ASPS most dominated by cases report,and so far no report seen in oropharyngeal ASPS.This paper reported one case of oropharyngeal ASPS,and reviewed the literature and discussed on its clinical manifestations,imaging features,histological features,diagnosis,therapy and prognosis.