Head-mounted device

The embodiment of the invention discloses a head-mounted device, which comprises an image acquisition unit (1), a near-to-eye display unit (2), an integrated controller (4), a head-mounted assembly (7) and an information transmission module (9), and is characterized in that the near-to-eye display unit (2) is arranged on the head-mounted assembly (7) at a position close to human eyes and is electrically connected with the image acquisition unit (1) of the integrated controller (4); the integrated controller (4) is detachably connected and fixed to one side of the head-mounted assembly (7), and the information transmission module (9) is arranged in the integrated controller (4) and used for information interaction transmission of an external command center or a user terminal. According to the technical scheme, two-way data transmission between the head-mounted device and the command center is achieved, the command center can make arrangement rapidly according to the overall situation of the site and immediatel