目的：总结肾脏肉瘤的临床特点，以提高认识。方法：回顾性分析５ 例肾脏肉瘤的发病特点、临床表现、诊断、治疗及预后。结果：同期经手术后病理证实的肾脏恶性肿瘤２５７ 例；其中，肉瘤占１ ．９５ ％ ，平均年龄３１ ．８ 岁。获随访４ 例，存活７ 个月～７ 年，平均３１ 个月。结论：肾脏肉瘤治疗应以根治性切除为主。 Objective: To summarize the clinical features of renal sarcoma in order to raise awareness. Methods: The incidence, clinical manifestations, diagnosis, treatment and prognosis of 5 cases of renal sarcoid were retrospectively analyzed. Results: There were 257 cases of renal malignancy confirmed by pathology at the same period, of which sarcomas accounted for 1. 95%, average age 31. 8 years old. Four cases were followed up for 7 months to 7 years with an average of 31 months. Conclusion: The treatment of renal sarcoma should be based on radical resection.