Virtual Desktop Client, Control Chip for Virtual Desktop Client and Method for Controlling Server Device

A virtual desktop client for controlling a server device and displaying an operation image corresponding to the server device on a display device is provided. The virtual desktop client includes: a network control module, configured to receive a remote image from the server device; an input driving module, configured to drive an input device connected to the virtual desktop client, and to generate input information by the input device; and a control chip, configured to draw a pattern on the remote image according to the input information to obtain a client-end image, and to display the operation image on the display device according to the client-end image. The control chip further generates control information according to the input information that is associated with a position of the pattern, and transmits the control information to the server device through the network control module.