The utility model relates to the technical field of displayers, in particular to a vehicle-mounted displayer which comprises a shell, a touch screen is fixedly connected in the shell, a wiring terminal is fixedly connected in the shell, an air inlet hole is formed in the lower surface of the shell, a heat dissipation structure is arranged in the shell, the heat dissipation structure comprises an exhaust hood, and the exhaust hood is fixedly connected with the touch screen. The exhaust hood is fixedly connected with the shell, the inner wall of the exhaust hood is fixedly connected with a fan, the inner wall of the shell is fixedly connected with two round rods, the arc surfaces of the round rods are slidably connected with balancing weights, the surface of the exhaust hood is fixedly communicated with a hose, and the hose is fixedly connected with the balancing weights. According to the vehicle-mounted display screen, through the arrangement of the heat dissipation structure, the flowing speed of air in the shell can be increased, heat dissipation can be conducted on the interior of the shell, and therefore heat dissipation can be conducted on the touch screen in time, normal work of the vehicle-mounted display screen can be guaranteed, and the stability of the vehicle-mounted display screen in the working process is improved.