The theory of Chinese Fetology in pregnancy was described in the Wu Zang Lun and Zhu Yue Yang Tai Lun. The content of Wu Zang Lun is much related to the development of fetus and similar to Western Embryology. The chief records of Zhu Yue Yang Tai Lun were described about physiology, pathology, diet indication and contraindication, contraindicative points of acupuncture, as well as prenatal education in pregnancy.