Solid waste is one of the major pollution sources of environment.Currently,countries all over the world widely make use of market and public administration to solve the problem.Theories of environmental economics and legal science are fully applied to analyze the effects of these two measures,and conclusions can be made according to their respective traits: market has particular effect and function when dealing with problem of solid waste,but its imperfectness makes it necessary to introduce public administration.However, although it plays an important role in making up imperfectness of market,public administration still has inherent shortcomings and must be limited properly.