This article elaborates the Beidou third-generation satellite navigation positioning and its application advantages on the advantages application of logistics tracking and emergency command and dispatch in the grain industry. Through the basic principles and unique information transmission advantages of the Beidou third-generation satellite positioning and navigation technology, along with the unique features and future development needs of grain in the logistics transportation process, the article takes the tracking of bulk grain logistics and emergency command and dispatch of military grain as examples for explanation. This reflects the application prospects of the third generation of Beidou in the logistics information system of the grain industry, proposing the application of Beidou’s third-generation in the grain industry management models, technical equipment issues, and development prospects for the future.