The present invention relates to a diagnostic system of the crop pest, the base frame; And it provided with a weight sensor provided on the upper surface of the base frame and the turntable; And holding an upper camera fixed provided on the upper surface of the base frame; And one end connected to the support on the upper end of the camera fixed holding, and the other end with brackets provided in the support, and an optical camera provided on a lower surface of the bracket, ultraviolet light provided to the optical camera and the spaced position to the lower surface of the bracket top device with a camera and a camera; And a vertical support plate provided on an upper surface of the base frame; And a side optical camera provided in front of the vertical support plate; And the optical side of the camera and an ultraviolet camera side provided in a position spaced in front of the vertical support plate; And a plurality of LED lamps provided in the front surface of the vertical support plate; And a plurality of UV lamps provided in the front surface of the vertical support plate; The turntable, the optical camera, the ultraviolet camera, said side optical camera, the terms ultraviolet camera, the LED lamps and by being composed of a controller provided in the top surface of the base frame to control the ultraviolet lamp, and out of the pest in various crops can know whether or not to utilize the camera optics, camera, UV, and ultrasonic diagnostic apparatus, there is an effect, which shows the additional information of the weight, size, etc. of the crop, with this diagnosis.