Population aging is a big challenge for Chinese economic and social development.In order to improve the life quality of the elderly people，it is the government's responsibility to explore diversified pension model.Chinese rural old-age model is in the process of transition from the single family providing for the aged to pluralistic old-age providing model.Family pension has advantages and disadvantages.On the one hand，the model of providing for the aged can optimize pension resources，improve their quality of life and provide psychological endowment to the aged，as well as many other advantages；on the other hand，it also needs Solid economic base，a sound security system and a suitable family demographic structure and other prerequisites as a support.The Old-age security model of Government buying social workers service is just in the initial stage of exploration，there is still a lot of room to improve the basic pension facilities，improve the service and optimize the quality of service for the old people.