肛裂是一种常见多发的肛管疾患 ,好发于中青年。笔者自 1990年以来 ,采用侧切术治疗肛裂 658例 ,全部治愈 ,疗效满意 ,现报道如下 :1　临床资料1.1　本组男性患者 392例 ,女性 2 66例 ;年龄最小 19岁 ,最大 58岁 ;发病时间最短 12 d,最长 6a,平均 1a16d;诊断为 期肛裂的 173例 Anal fissure is a common multiple anal canal disease, occurs in middle-aged and young. The author since 1994, the use of lateral resection of the anal fissure 658 cases, all cured, the effect is satisfactory, are reported as follows: 1 clinical data 1.1 The group of 392 male patients, 666 females; the youngest 19 years old, maximum 58 years old; The shortest onset time of 12 d, the longest 6a, an average of 1a16d; 173 cases of anal fissure diagnosis