USBKEY communication protocol automatic switching method and system

The invention discloses a USBKEY communication protocol automatic switching method, the USBKEY communication protocol is a communication protocol between a USBKEY and a main control device, and the number of communication protocol modes of the USBKEY communication protocol is multiple; comprising the following steps: executing an activation action of a USBKEY communication protocol, and switching a communication protocol mode of the current USBKEY if a main control device does not recognize the USBKEY when the execution times of the activation action are within a specified time range; the USBKEY communication protocol activation action comprises an execution action that the main control equipment recognizes the USBKEY inserted into the main control equipment. According to the invention, automatic protocol switching can be supported, servers automatically matched with various protocols can be supported, and the usability of products is improved. 本发明公开了一种USBKEY通信协议自动切换方法，USBKEY通信协议为USBKEY与主控设备之间的通信协议，USBKEY通信协议