Embodiments of the present invention provide a terminal, a server, and a terminal control method. A control channel and a data channel are established to a controlled terminal, screen image data that is sent by the controlled terminal by using the data channel is received, a screenshot of the controlled terminal is displayed according to the screen image data, and corresponding operation information is generated according to an operation that is based on the screenshot and is sent to the controlled terminal by using the control channel, so that the controlled terminal performs the corresponding operation according to the operation information.