The invention provides silicon carbide superfine powder preparation equipment. The silicon carbide superfine powder preparation equipment comprises a baseplate fixed on a rack, wherein vertical columns are fixedly arranged on the baseplate; the upper ends of the vertical columns at the left side and right side are connected and fixed by a vertical column connecting plate; linear sliding blocks aresleeved at the middle parts of the vertical columns; the linear sliding blocks at the left side and right side are connected by a sliding block connecting plate; the upper part of the sliding block connecting plate is connected to an air cylinder rod; the bottom of an air cylinder is fixed at the lower part of the vertical column connecting plate; the lower part of the sliding block connecting plate is connected to a static grinding wheel supporting plate; a static silicon carbide grinding wheel is fixed on the static grinding wheel supporting plate; the baseplate is connected to a translational motion slewing mechanism; the upper part of the translational motion slewing mechanism is connected to a movable grinding wheel supporting plate; a movable silicon carbide grinding wheel is fixedon the movable grinding wheel supporting plate; the lower part of the baseplate is connected to a reduction gearbox; an input shaft of the reduction gearbox is connected to a driver; and an output shaft of the reduction gear box is connected to a driving shaft of the translational motion slewing mechanism. The silicon carbide superfine powder preparation equipment has the beneficial effects that the silicon carbide superfine powder preparation equipment can be used for preparing 10-micrometer superfine silicon carbide powder, and the superfine silicon carbide powder has regular shape, uniformparticle sizes, high purity and low cost.