This machine can be used for the uniform mixing of dry powder or granular materials with good fluidity, and there is no dissolution, volatilization or deterioration of materials in the mixing process. The design of this mixer is more reasonable than that of other mixers, with higher mixing efficiency and simpler operation. The mixing cylinder has unique structure, high mixing efficiency, no dead angle, the cylinder is made of stainless steel, the inner and outer walls are polished, the appearance is beautiful, the mixing is uniform, and the use is wide, which meets the GMP standard. According to the requirements of customers, it can be equipped with forced agitator, which is suitable for the mixing of fine powder and block materials with certain moisture.