Head-mounted display device

The utility model discloses a head-mounted display device, the head-mounted display device comprises a glasses frame, two glasses legs and a circuit board structure, the two glasses legs are installed on two opposite sides of the glasses frame, a first power utilization module is arranged in the glasses frame, and a second power utilization module is arranged in each glasses leg; the circuit board structure comprises a flexible circuit board, the flexible circuit board comprises a main body part and extension parts arranged at the two opposite ends of the main body part, the main body part is arranged on the mirror frame and electrically connected with the first power utilization module, and the main body part is arranged above the first power utilization module and extends in the extension direction of the mirror frame; the two extension parts are connected to the main body part in a bending manner and respectively extend into the two glasses legs so as to be electrically connected with the second power util