The invention discloses a stirring device for production of simvastatin. The device includes a baseplate, four fixed frames distributed at an equal distance are welded at the top of the baseplate, and the top ends of the four fixed frames are welded to a same box, a middle position at the top of the box is welded with a motor, the bottom end of the motor output shaft is welded with a transmission rod, one side outer wall of the transmission rod is welded with stirring blades distributed at an equal distance, a filter plate is welded on the box inner wall close to a middle position, air hammers are welded to the inner wall on both sides of the box, one side outer wall of the box is welded with a fixed plate, a liquid chromatograph is fixed at the bottom end of the fixed plate through a bolt, and one end of the liquid chromatograph far from the fixed plate is located in the box. The stirring device for production of simvastatin provided by the invention has a simple structure and multiple functions, can drive the flexible movement of the device, and can fully stir simvastatin, and while stirring, the filter plate can achieve preliminary screening of simvastatin, thus improving the stirring efficiency.