The invention discloses a chemical raw material stirring device. The device comprises a raw material tank, A feed inlet is formed in the upper portion of the raw material tank, a discharge opening is formed in the lower portion of the raw material tank, a stirring shaft is arranged in the raw material tank, the stirring shaft is connected with a speed reducer on the top of the outer side of the raw material tank, the speed reducer is connected with a driving motor, a screen plate dividing the raw material into an upper cavity and a lower cavity is arranged in the raw material tank, a plurality of through holes are formed in the screen plate, a smashing and rolling bar is arranged on the portion, located above the screen plate and close to the screen plate, on the stirring shaft, and a spiral stirring blade is arranged on the portion, below the screen plate, on the stirring shaft. According to the chemical raw material stirring device, chemical raw material smashing and rolling are integrated with stirring in the raw material tank, labor is saved, and the stirring device has the advantages of being reasonable in structural design, easy to manufacture, convenient to use and maintain, high in work efficiency and the like.