Abstract: During 1920s-1930s,suicide became more and more serious in Shanghai. In order to control and solve the social problem,some men of insight and the official authority proposed some suggestions for prevention of suicide considering its causes,method,social control an so on;On this basis,they implemented some measures of prevent of suicide and provided relief for someone who committed suicide attempted too.Thus,the system of prevention of suicide which was supported by official and social strength together was ...