Professor XIA Guicheng′s experience in treating infertility caused by polycystic ovary syndrome（PCOS） was summarized. By using the method such as nourishing the liver and kidney

nurturing thoroughfare and conception channels; nourishing kidney and activating blood

warming and dredging uterus and collateral; invigora-ting kidney and activating yang

nourishing yin and supplementing essential qi; clearing heart for tranquillization

replenishing water for clearing liver; dispersing stagnated liver qi for relieving qi stagnation

nourishing blood for softening liver; invigorating spleen-stomach and replenishing qi

invigorating the spleen-stomach; warming kidney and activating yang

regulating vital energy and dredging fu

he regulats the menstrual cycle

promoting the growth of corpus luteum

speeding up the embryo implantation

and increasing the opportunities of conception

and applys correspon-ding treatment rules for different types of patients at different periods

emphasizing simultaneous treatment of the male as well as the female.