The utility model relates to a grinding wheel for round seed crystals. A grinding wheel body comprises a grinding wheel main body and a grinding wheel grinding body, a center hole is formed in the grinding wheel body. The grinding wheel grinding body is integrally connected with the grinding wheel body; the thickness h2 of the grinding wheel grinding body is smaller than the thickness h1 of the grinding wheel body. According to the technical scheme, compared with the prior art, the grinding wheel with the round seed crystals has the advantages that the center hole is formed in the grinding wheel body and used for being connected with the grinding wheel aluminum body, and then the grinding wheel is installed on grinding equipment through the grinding wheel aluminum body; the grinding wheelmain body is thicker than the grinding wheel grinding body; and compared with a commercially available grinding wheel, the weight of the grinding wheel is reduced, the rotating speed of the grinding wheel is increased in unit time, and the grinding efficiency of round seed crystals is improved.