The invention provides an automatic rice moth egg acquisition device. The automatic rice moth egg acquisition device comprises a shell, a rice moth cage, a driving mechanism, a brush and an egg collection drawer. The shell is internally provided with a chamber, the rice moth cage comprises a cage body and a rotating shaft, the cage body is internally provided with an oviposition cavity, and the side wall of the cage body is provided with an egg outlet portion allowing passing of rice moth eggs. The rotating shaft is fixedly connected with the cage body and rotatably mounted on the shell, at least one end of the rotating shaft is positioned outside the shell, and the rotating shaft is internally provided with a rice moth passage. One end of the rice moth passage thoroughly penetrates the rotating shaft to form a rice moth access port outside the shell, the other end of the rice moth passage is communicated with the oviposition cavity, and the rotating shaft is provided with a cover for opening or closing the rice moth access port. The driving mechanism is connected with the rotating shaft, the brush is mounted on the inner side of the shell and contacts with the side wall of the cage body, and the egg collection drawer is movably mounted in the shell and positioned below the rice moth cage. The automatic rice moth egg acquisition device has advantages that rice moth eggs can be acquired automatically, and production efficiency is improved.