The present invention provides a head-mounted display device, comprising a head-mounted apparatus, a functional apparatus, and a data line coupled the head-mounted apparatus to the functional apparatus. The head-mounted apparatus comprises a display apparatus for providing a near-eye display. The functional apparatus is configured to transmit corresponding signals to the head-mounted apparatus through the data line. The head-mounted display device further comprises a touch pad and a processor. The touch pad is located on the data line, configured to generate a touch signal in response to a touch operation. The processor is configured to generate a corresponding control signal according to the touch signal. The present invention further discloses a control method of the head-mounted display device. In the head-mounted display device and the control method of the present invention, the touch panel is located on the data line to facilitate user's input.