The present invention relates to a freight express system based on the mobile Internet of Things and the real-time positioning technology. The system comprises a freight express system; the freight express system is connected with an operating company side, a logistics company side, and a freight driver side through the mobile Internet of Things, through a vehicle positioning system, and through a cargo positioning system; and function modules of the logistics company side comprise terminal login management, supply release, freight order sending, online signing, Express WeChat, order management, account number management, data modification, online complaints, online insurance, and online help; and function modules of the operating company comprise system login management, vehicle dispatching, order management, complaint management, account number management, Express WeChat message management, news release, data transmission, system parameter setting, and account management. The system disclosed by the present invention has the advantages of efficient matching between the freight and the supply, visualized monitoring, management and dispatching, convenient and safe payment, and relatively high reliability.