Horizontal sand mill is a horizontal sand mill is the powder material for solid - liquid dispersion grinding machine. Horizontal sand mill is widely used in coatings, dyes, inks, photographic materials, pharmaceutical and other industries. The invention is simple and compact, the material is tight and the material is produced in the closed state, which effectively prevents the dry crust and the solvent from volatilizing the material. In addition, the horizontal sand mill does not have the special installation foundation, and can change the installation position at any time according to the need. Horizontal sand mill is best suited for large-scale computer products with high dispersion viscosity and fine particle size requirements.