Dosing and stirring system

The invention discloses a dosing and stirring system, which relates to the field of pharmaceutical equipment and comprises a tank body and a stirring device. The stirring device comprises a stirring shaft located in the stirring cavity, the stirring shaft is provided with a fixed part, a sliding part and stirring blades, the fixed part is located at the bottom end of the stirring shaft, and the sliding part slidably sleeves the stirring shaft and can slide in the length direction of the stirring shaft; the stirring blades comprise a long-strip-shaped first stirring blade and a long-strip-shaped second stirring blade, one end of the first stirring blade is hinged to the second stirring blade, and the other end of the first stirring blade is hinged to the sliding part; and one end of the second stirring blade is hinged with the first stirring blade, and the other end is hinged with the fixed part. By pulling the sliding part upwards, the stirring blades can be straightened, so that the stirring device can be co