Polycystic ovary syndrome (PCOS) is a syndrome characterized by chronic anovulation, amenorrhea or scanty menstruation, infertility, obesity, hirsutism and polycystic enlargement of the ovaries. Polycystic ovary syndrome is very harmful to women and can lead to infertility in severe cases. Chinese medicine has special advantages in the treatment of polycystic ovary syndrome, and Chinese medicine is very effective in the treatment of this disease. This textbook is a good contribution to the combined treatment of PCOS by Chinese and Western medicine.