Abstract: The new agricultural socialized service system is the booster of the transformation of new and old agricultural kinetic energy, which is of great significance to the realization of agricultural and rural modernization.Beijing has formed a new pattern in which multiple subjects, such as public welfare service teams and operational service subjects, jointly participate in agricultural socialization services.However, there are still some problems, such as the untimely adjustment of the service system structure, the prominent problem of ‘double dispersion’ in the service market, and the overall lag of the development of agricultural service industry.Based on the above analysis, combined with the favorable and unfavorable conditions faced by Beijing in building a new type of agricultural socialization service system, especially the characteristics of ‘small agriculture in big cities and small urban areas in the suburbs of Beijing’ at the present stage.Some countermeasures and suggestions were put forward, such as optimizing and adjusting the basic structure of the service system, providing services according to the orientation of agricultural functions, giving full play to the characteristic advantages of different service subjects, and releasing the brand value of ‘Beijing Agricultural Service’.This study could provide reference for giving full play to the supporting role of social services in the development of urban agriculture in Beijing.