Abstract
The perfect social security system is infavor of the stability of society.It is not only the objective request of the socialist market economy system,but also the important content of harmonious social construction. At present our country although has initially formed the social security system which adapts with the socialist market economy system,but the way of constructing and improving a new type of the social security system, which adapted the harmonious society, is still long.This article attempt to take the social security system development evolution as a vein, concretely discussing the effects that have been made in our social security system's reform and the main problems that exists in it. Meanwhile, the problem of the social security system in our country are: the social security covers limited ,the degree of guarantee is low, the serious hidden trouble exists in the capital of the social security , he socialization of the social security is imperfect .By referring to the advanced experience of the social security systems of North Europe,it puts forward countermeasures to improve the new social security adapted the harmonious society mutually .
Key words: Social security system Form and perfect The harmonious society
