A device controlling method, a client, a server and an intermediate device are provided. The device controlling method includes acquiring information on an intermediate device and information on a controlled device associated with the intermediate device; sending a resource downloading command carrying the information on the intermediate device which is to obtain a resource to a server so as to enable the intermediate device to obtain the resource via the server; and sending an operation instruction to the controlled device associated with the intermediate device so as to enable the controlled device to obtain the resource from the intermediate device to perform an operation according to the operation instruction.