Efficient culture medium injection device

The invention discloses an efficient culture medium injection device, and belongs to the technical field of injection devices. The efficient culture medium injection device comprises a box body, one side in the box body is fixedly connected with a fixed plate, a syringe is fixedly connected to the fixed plate, a pressing plate is connected into the syringe in a sliding manner, a liquid outlet of the syringe is connected with a liquid outlet slim tube, and the lower end in the box body is rotationally connected with a first gear disc through a rotating shaft. According to the device, a first motor and a second gear disc are arranged so that the device can automatically inject the culture container is realized, by arranging the first sealing plate and the second sealing plate, the backflow of the culture medium is effectively prevented, the quantitative injection of the culture medium in the culture container is realized, the practicability of the device is improved, and the actual use requirements of users are