This paper firstly introduced overall condition of agricultural and rural economic development in Jiangsu Province, and analyzed restrictive factors and bottleneck in the process of new socialist countryside construction from policy, fund and understanding. There are many problems in the process of new socialist countryside construction, including no supply and management system for rural public service products, no agricultural ecological compensation mechanism, increasingly prominent rural hollowing and decline of passing on economic culture, lack of funds and technologies for new socialist countryside construction, and inadequate understanding of new socialist countryside construction. In line with these problems, it came up with recommendations and countermeasures for beautiful countryside construction in Jiangsu Province in the new period from government guidance, plan leading, industrial support, environmental improvement, innovation management and cultural cultivation.