对６６例（７０只眼）老年性和并发性白内障施行６ｍｍ切口手法切核白内障囊外摘除及人工晶体植人术。术后１周矫正视力≥０．５者占７６．６％，３个月者占９６．４％。术后１周平均散光为１９６±１．０８Ｄ，术后３个月为０．９２±０．６８Ｄ。分别小于同期内施行的１０～１２ｍｍ大切口对照组（Ｐ＜０．００１）。并详细介绍了小切口手法切核技术和器械，以及讨论术中操作要点和意外及其处理方法。 Sixty-six eyes (70 eyes) with senile and complicated cataracts underwent 6mm incision cataract extracapsular cataract extraction and intraocular lens implantation. One week after surgery, corrected visual acuity ≥0.5 accounted for 76.6%, 3 months accounted for 96.4%. The average postoperative astigmatism was 196 ± 1.08D at 1 week and 0.92 ± 0.68D at 3 months after operation. Respectively, less than 10 ~ 12mm large incision control group (P <0.001). And introduced in detail the technique and equipment of small incision in cutting nucleus cutting, as well as discussing the operation points and accidents in the operation and its treatment methods.