Sex Ratio at Birth in China has exceded the normal range since 1980.While the Communist Party of China,and central and local governments have formulated comprehensive methods in order to curb its rising trend and bring it back to the normal level,the effect is trival.Existing methods tend to focus more on the formulation of laws and regulations prohibiting sex-selective abortion than on supporting strategies,and to pay more attention to the goals and tasks to be achived than to specific ways to implement the goals.In addition,isolated rules and regulations provided by different government branches outweigh more comprehensive rules and regulations.Hence,to more effectively control the sex ratio at birth,the government should adopt the following strategies: further facilitating socioeconomic development,establishing a sound old-age pension system,and improving relevant laws and regulations to curb ultra-sound check and sex-selecctive abortion without medical needs.On the other hand,the government should take no actions on birth planning policy,and on the changes of cultural traditions.