Abstract: Aiming at the characteristics of logistics distribution,utilizing GIS,GPS,sensor technology and wireless network communication technology,the system frame of intelligent logistics distribution based on the internet of thing was brought forward in the paper.According to limited storage and computing capacity of the embedded equipment,an idea of dynamic block division and a data structure of vector and grid combination were presented.and the optimum Dijkstra algorithm and management functions of the logistics distribution data were discussed,these methods reduce the memory storage space,improves query speed and the system's efficiency.