Law perspective of privatization of Public service is facing the following problems: first of all, the conflict between privatization of Public Service and the theory of the traditional public-private dichotomy; secondly, the issue that if privatization of Public Service is also subject to adjustment of public and private law; thirdly, the problem that if the principle of "legal precedence" and "legal reserves" is suitable for privatization of Public Service; fourthly, if there is" responsibility vacuum" in the process of privatization of Public Service and so on. Privatization of Public Service in China achieves certain results, at the same time there are many problems, and we have to overcome many obstacles to further reform. We should realize the privatization of Public Service rationally, set up the legal system of the restricting privatization of Public Service, and prevent a "responsibility vacuum" problem particularly