The invention relates to a site number-getting method based on a personal mobile terminal. The site number-getting method comprises the following steps that a site number-getting system including at least one mobile terminal, a router and a server is arranged; the mobile terminal is connected with the server by the router; the mobile terminal sends a number-getting request signal to the server; the server distributes sequence numbers to the mobile terminal, encrypts the distributed sequence numbers and identification codes of the mobile terminal and generates number arranging evidences; the server sends the number arranging evidences to the mobile terminal; and the server can send possible waiting time to the mobile terminal. The site number-getting method has the advantages that a number getting machine is not needed, and the queuing and number getting functions can be finished only by the personal mobile terminal, the router and the server; information about possible waiting time can be sent to a business handler in advance by a communication module, so that the waiting time of the business handler is shortened and the time can be fully and effectively utilized by the business handler.