Taking Nanchang City as an example, the construction of coordination mechanism of transportation and logistics infrastructure construction is studied. This paper analyzes the current situation of transportation and logistics development in Nanchang City, and clarifies that the construction of transportation and logistics infrastructure in smart cities can provide a breakthrough for the transformation and comprehensive reform of Nanchang City, and provide a new development direction for the construction of a smart cities; Building a full coverage intelligent transportation network of mobile internet, and improving the intelligent logistics transportation construction of Nanchang City according to the density of logistics transportation in different regions and the distribution of logistics distribution and distribution centers in the city; According to the development and operation requirements of Nanchang Logistics Company, it integrates the functions of new transportation logistics infrastructure based on macro level; Reasonably planning the existing station facilities in logistics enterprises such as commercial logistics facilities and third-party logistics facilities, improving the utilization rate of transportation and logistics infrastructure, and giving full play to the higher value of transportation and logistics infrastructure in the development of logistics industry in Nanchang City.