Cervical self-sampling inspection device

The invention discloses a cervix uteri self-sampling inspection device, and relates to the technical field of gynecologic examination, the cervix uteri self-sampling inspection device comprises an inner tube and a piston, one end of the inner tube is provided with a front end sealing cover, the other end of the inner tube is provided with a rear end sealing cover, the front end sealing cover is provided with a liquid passing hole in a penetrating manner, and the piston is slidably mounted in the inner tube; the end portion of the end, close to the front end sealing cover, of the piston, the inner wall of the inner pipe and the front end sealing cover form a liquid storage cavity, the other end of the piston, the inner wall of the inner pipe and the rear end sealing cover form a negative pressure cavity, and a control assembly for controlling the piston to slide towards one side of the front end sealing cover is installed on the outer side of the inner pipe. By arranging the negative pressure cavity, when the