During the 1930s, Losheng Sanatorium was the first leprosy hospital and the only public sanatorium for leprosy patients in Taiwan. It was designed for quarantine and treatment of lepers. With a force of sanitary police and medical officers; investigation, quarantine, and imprisonment of lepers was conducted thoroughly from 1934 till the end of colonial governance of Japan. As a result, Losheng Sanatorium became the institution of compulsory quarantine as well as lifelong imprisonment for thousands of leprosy patients. The successive KMT regime inherited the policy in its early years.