An oreochromis mossambicus skinning plate comprises a fixing plate, a groove formed in the fixing plate, an arc plate arranged in the groove and a skinning blade arranged on the surface of the arc plate, wherein a blade body is triangular, and the cutting edge is arranged at the top of the blade body perpendicularly to the blade body. The skinning plate solves the problems that current skinning machines are complicated in structure, and high in cost and energy consumption, and has the advantages of simple and practical structure and great market promotion value.