Head display device

The utility model provides a head display device, comprising a housing, a mainboard, an optical machine module and at least two heat-conducting fins, the mainboard, the optical machine module and the heat-conducting fins are arranged on the housing; the shell comprises a heat dissipation support and a cover body, the bottom of the heat dissipation support is provided with an optical machine module installation part, and the cover body is arranged at the top of the heat dissipation support; a plurality of heat source devices are arranged at the bottom of the main board; the heat conducting fins are arranged between the heat source device and the heat dissipation support and between the light machine module and the heat dissipation support respectively. According to the head-mounted display device, heat generated by the heat source device on the mainboard and heat generated by the light machine module are conducted to the heat dissipation support through the heat conducting piece, then the heat is evenly conduc