A method for wireless data transmission, a transmission system, client controllers, and server controllers are described. The method for wireless data transmission includes: establishing management connection, the server controller establishes task management connection among the client controllers respectively; task arrangement, the server controller arranges the wireless data transmission task among the client equipment based on the information of client equipment, which is acquired from the task management connection, each client equipment is coupled with corresponding client controller; task executing, based on the arranged information of wireless data transmission task; establishing data transmission connection among the client controllers; and executing the wireless data transmission task through the data transmission connection. By using the server controllers, the wireless data transmission among client equipment can be accomplished conveniently, without an operating interface.