本科手术治疗纵隔软组织肿瘤２３例，占同期手术治疗纵隔肿瘤３９０例的５．９％。年龄３５岁以下者１７例，占７３．９％，男女之比为４．８：１（１９／４）。本病的临床及Ｘ线表现缺乏特异性，确诊有赖于术后病理学检查。本组中良性肿瘤１５例（６５．２％），恶性肿瘤８例（３４．８％）。手术治疗２４例次，肿瘤切除率为９１．７％（２２／２４）。手术为首选的治疗方法。 Undergraduates treated 23 cases of mediastinal soft tissue tumors, accounting for 5.9% of 390 cases of mediastinal tumors treated at the same time. There were 17 cases under the age of 35, accounting for 73.9%, and the ratio between men and women was 4.8:1 (19/4). The clinical and X-ray findings of the disease lack specificity and the diagnosis depends on postoperative pathological examination. There were 15 benign tumors (65.2%) in this group and 8 malignant tumors (34.8%). Twenty-four operations were performed and the tumor resection rate was 91.7% (22/24). Surgery is the preferred treatment.