The invention provides a solid network device-virtual network connection method and device of a cloud platform. The method comprises the steps that a configuration management interface receives information of an access switch sent by a user terminal; after it is detected that a solid physical device is accessed to a port of the access switch, whether the port is accessed to the virtual network isdetermined, wherein if yes, information of the connected virtual network is sent to the user terminal through the configuration management interface, and if not, a network data interface inquires information of all available virtual networks at present, and sends information of all available virtual networks to the user terminal to display through the configuration management interface, so as to enable a user to select a to-be-accessed network according to the information; and after the user selects the to-be-accessed network, an ssh/telnet management interface sets to enable the port of the switch to access the to-be-accessed network selected by the user. The method has the advantage of accessing the solid network device to the virtual network rapidly.