The invention discloses a sterile stirrer special for producing cold capsules. The sterile stirrer comprises a barrel, a stirring shaft, stirring blades and a bin door. The stirring shaft is arranged in the barrel, the stirring blades are arranged on the stirring shaft, a discharge bin is arranged on the side face of the barrel, the bin door is arranged on the discharge bin, a handle is arranged on the bin door, an end cover is arranged on the top of the barrel, and an electromotor is arranged in the end cover. A main switch is arranged on the side face of the end cover, a sterilization switch is arranged below the main switch, a speed regulating rotary knob is arranged at one side of the main switch, a timer is arranged below the speed regulating rotary knob, an information processor is arranged at one side of the timer, and a controller is arranged below the information processor. The sterile stirrer has the advantages that the speed regulating rotary knob and the timer are arranged, therefore, the intelligence degree is high, and dependence on labor is reduced; raw materials can be sterilized through the arrangement of an ultraviolet sterilization lamp, and the treatment effect of the cold capsules is guaranteed.