The utility model discloses a multifunctional reaction still, including barrel, motor, puddler, stirring leaf, the barrel top sets up the upper cover of taking the feed inlet, and the motor sets up in the upper cover top, connects the puddler that extends to in the barrel on the motor, sets up the stirring leaf on the puddler, and the inside heating rod that is provided with of puddler, barrel medial surface set up the zone of heating, and the inside below of barrel sets up the filter layer that has the cooling layer, and the cooling layer sets up in the filter layer top, and the barrel bottom is provided with an inclined plane, and one side that the inclined plane is close to the bottom is provided with the discharge gate, the utility model discloses rational in infrastructure, practical convenient, the heating rod in the puddler can heat the material when using, and the insulation material who packs in the cylinder side wall can play the heat preservation effect to the material, and the upper cover comprises the constant temperature material, can carry out primary heating or cooling to the material at the feed inlet, and the inclined plane of bottom enables that the material is more abundant to be taken out from the discharge gate, and cooling layer on the filter layer enables the material, and to lower the temperature the post -filtration more abundant.