Agricultural production outsourcing has increasingly become an important way to promote large-scale agricultural management. This paper uses a censored regression model to conduct an empirical analysis of the reasons for the big gap between farmers’ willingness for outsourcing and their actual practice based on the field survey data of wheat growers in Linyi,Shandong. The conclusions show that the main reasons are the information asymmetry,the contradiction between supply and demand,and the difference in farmer’s land endowment. These findings provide a useful reference for promoting the balance of supply and demand in the agricultural social service market. When the small farmers cannot objectively understand or the market cannot meet their service needs,the gap between their willingness and actual practice will increase. Therefore,the government should promote farmers’ correct understanding of social services and promote the development of various types of services so as to expand the agricultural socialized service industry and promote the balance of supply and demand in the socialized service market.