Abstract:Object:To observe the effect of “Kangmian Capsule” in treating immunity infertility caused by AsAb (antisperm antibody). Method:After randomly divided,test group was treated with “Kangmian Capsule”,and control group was treated with prednisone. The course of treatment was for 1 to 3 months. After treatment, the differences of pregnancy ratio, body temperature, AsAb reversing ratio and other items between each group were tested. Results:AsAb reversing ratio was 62.5% in test group, while it was 40% in control group. Pregnancy rate was 26.6% in test group, while 17.7% in control group. The difference was statistically significant (P<0.01). Conclusion: “Kangmian Capsule” came into effect better and sooner to cure immunity infertility.