The Smart city has become the important direction of urban transformation and innovation in China.And the development path of smart city can be summarized as the overall push-type，intelligent industry-oriented，application-oriented development model.The economic and social development of Changyuan County ranks the forefront in Henan province，and it has considerable advantages to build smart city.Changyuan County can choose application-oriented development model and take comprehensive development measures to promote the smart city construction，in order to enhance the city operation，management，service levels and improve the quality of life of residents.