The invention discloses a business system and method. In an existing scheme, a number queuing machine is needed, a number is obtained through the queuing machine, then queuing is conducted for waitingfor number calling of a number calling machine, and after the number is called, business is handled at a business window; and both the number queuing machine and the number calling machine has the hardware cost, the mounting cost, the maintenance cost, the space occupation cost and the like, and clients waiting in line are affected by loud noise of the number calling machine. According to the business system and method, through various modes of a client side, business information is obtained, business handle-applying requests are sent to a business server, and the business handle-applying requests are queued on the business server in a classified mode; through queuing rules, the queuing business handle-applying requests are selected to be connected with unoccupied business terminals through the business server; and after connecting, the business can be handled. The business system and method do not need the number queuing machine, and thus the number queuing machine is omitted; reminding is output through the client side, and thus the number calling machine is not needed; paper is not needed, and all the business can be conducted in a full-electronic mode; and the business handling process is electronic.