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The invention relates to a magnetic compound and a manufacturing method thereof. The magnetic compound has a formula (SmRZr)(FeCo)TM, wherein R is more than one rare earth element other than Sm; T isover one element from a group composed of Ti, V, Mo and W; M is unavoidable impurity element and more than one element from a group composed of A1, Si, Ni, C, O, N, Cr, Cu, Ga, Ag and Au; 0=1.0x+7.7 and c>=2.5x+4.7.