Drug delivery device

The utility model provides a dosing device, which relates to the technical field of dosing, and comprises a dosing shell, a discharge port arranged on the dosing shell, and a base and a top tray which are connected with two end faces of the dosing shell, the top tray is provided with a material through groove, the top tray is provided with a working table, and the working table is provided with a feeding mechanism; a plurality of threaded limiting rails are arranged between the base and the top tray; a push rod is connected to the base in a sliding mode, a rotating disc is connected to the push rod in a rotating mode, the rotating disc is connected in a sliding mode along the tracks of a plurality of limiting rails, and a plurality of rotating blocks are arranged on the rotating disc. The liquid medicine is discharged along the discharge port, the push rod is pushed and pulled for many times to drive the liquid medicine to enter the vaginal wall and be absorbed into the device, then washing and soaking are ca