血栓闭塞性脉管炎 (ＴＡＯ) ,是一种全身性炎性血管疾病 ,局部表现突出 ,病因不明 ,临床研究进展缓慢。病人最忧虑的是可能截肢 ,必须耐心治疗。作者以1974年以来所诊治ＴＡＯ患者中资料较完整的 57例 ,报告体会如下。1　资料和方法1·1　一般资料　ＴＡＯ57例多系外院转诊病人 Thromboangiitis obliterans (TAO) is a systemic inflammatory vascular disease with prominent local manifestations, unknown etiology and slow clinical progress. Patients are most worried about the possibility of amputation, must be patiently treated. The author of the diagnosis and treatment of TAO patients since 1974, more complete data in 57 cases, the report reads as follows. 1 Materials and Methods 1.1 General Information TAO57 cases of multi-family out-patient referral patients