During this period, malaria, pneumonia, dysentery and enteritis, and acute infectious diseases, including plague, typhoid fever, dysentery, cholera, smallpox, infectious epidemic meningitis, malaria, tsutsugamushi and endemic diseases such as goitre were the important causes of death. In parasitology, the most important discovery was lung fluke, followed by research achievement in clinical and basic sciences. In Taiwan, studies on poisonous snake were proceeded rather early. The special medical system in this period included the Gynecological Hospital and medical insurance system. In the medical staff, not a few Japanese were included. Dr. Du Congming, who made great contributions to medicine in Taiwan, may be viewed as the father of medicine in Taiwan. A Journal of Taiwan Medical Association was published in Taiwan by the said Association.