目前对精子功能障碍的确切病因和发病机理了解较少,缺乏有效的治疗方法。故采用精子优选法改善精子质量后进行宫内人工授精(ＩＵＩ)的技术取得一定疗效,现总结如下:1　资料与方法1.1　授精对象的选择:46对不育夫妇年龄25～38岁,婚后未避孕,正常性生活2～10年不孕,在门诊系统检 At present, there is little understanding of the exact etiology and pathogenesis of sperm dysfunction and lack of effective treatment. Therefore, the use of sperm to improve sperm quality after intrauterine insemination (IUI) technology has achieved some efficacy, are summarized as follows: 1 Materials and Methods 1.1 Selection of insemination objects: 46 pairs of infertile couples aged 25 to 38 years old, married Contraception, normal sexual life 2 to 10 years of infertility, outpatient system examination