The invention discloses a camera-specific mounting device which is convenient to detach. The device comprises a fixing seat and a camera. A rotatable transmission shaft is arranged on the fixing seat;a clamping block which is connected to the fixing seat in a sliding way is arranged on one end of the transmission shaft; the threaded portion on the transmission shaft is in a matched connection with the threaded groove on the clamping block; a mounting part which can be connected to the fixing seat is arranged on one end of the camera; a connecting groove which can be matched with the clampingblock is arranged on the mounting part; connecting rods which are connected to the mounting part in a sliding way through screws are arranged on the two sides of the connecting groove; the connectingrods are in a threaded fit connection with screws; and limiting gears capable of driving the screws to rotate is keyed jointed to the screws. According to the camera-specific mounting device which isconvenient to detach, maintenance and replacement of the device are facilitated while the mounting is firm, and the practicability of the video monitoring device is increased.