The invention discloses a camera installation device for a photographing unmanned aerial vehicle. The camera installation device for the photographing unmanned aerial vehicle is simple in structure; and furthermore, adjustment of a level photographing angle of a camera of the unmanned aerial vehicle is realized through the camera installation device. The camera installation device for the photographing unmanned aerial vehicle comprises an installation frame; a support rod is arranged on the installation frame; one end of the support rod is connected with the installation frame; a motor shell is arranged at the other end of the support rod; a rotary motor is arranged in the motor shell; a rotating shaft of the rotary motor penetrates the motor shell; a camera installation box is arranged at one end of the rotating shaft, where the rotating shaft penetrates the motor shell; the axis of the rotating shaft of the rotary motor is parallel to the axis of the support rod; and the rotary motor has a self-locking function. By means of the camera installation device for the photographing unmanned aerial vehicle, adjustment of the level photographing angle of the camera can be realized; photographing angle adjusting operation can be simplified; therefore, the photographing quality is high; and simultaneously, the camera installation device for the photographing unmanned aerial vehicle is simple in structure, convenient to install and low in manufacture cost.