Dynamic network based on Beidou short message communication and networking method

The invention discloses a dynamic network based on Beidou short message communication and a networking method, the dynamic network comprises a plurality of network nodes, the number of the network nodes is dynamically adjustable, each network node comprises a Beidou communication terminal, and a command card is installed in each Beidou communication terminal; and the network nodes are suitable for bidirectional communication. The Beidou data communication network system is constructed by depending on Beidou communication terminals with commanding machine attributes and based on the Beidou short message communication principle and adopting the commanding relation of the subordinate relation of each other, each Beidou communication terminal is a node of the network, and each Beidou communication terminal is a node of the network. Each node can complete seamless switching of two identities of a commanding machine and a common subordinate user machine in real time, that is, each Beidou communication terminal serv