Head-mounted display device

The utility model provides a head-mounted display device. The head-mounted display device comprises a first assembly and a second assembly which are detachably connected. The first assembly includes: a first housing; and a first electrical connection portion disposed in the first housing, the first electrical connection portion including a plurality of first contacts electrically insulated from each other. The second assembly comprises a second shell; and a second electrical connection portion disposed in the second housing, the second electrical connection portion including a plurality of second contacts electrically insulated from each other. The first assembly and the second assembly are configured such that when the first housing is mechanically connected to the second housing, the plurality of first contacts of the first electrical connection portion are electrically connected to corresponding contacts of the plurality of second contacts of the second electrical connection portion, respectively. 本实用新型提供了