The invention discloses iron white copper alloy. The alloy has a general formula of NiaFebMncTidZreXfCug, wherein in terms of mass percentage, a is greater than or equal to 6.0 percent and is less than or equal to 9.0 percent, b is greater than or equal to 1.0 percent and is less than or equal to 1.5 percent, c is greater than or less than 0.5 percent and is less than or equal to 1.6 percent, d is greater than or equal to 1.1 percent and is less than or equal to 1.8 percent, e is greater than or equal to 0.02 percent and is less than or equal to 0.05 percent, f is greater than or equal to 0.05 percent and is less than or equal to 0.3 percent, g is the balance, and the total amount of impurities in the ally is not greater than 0.7 percent; and X is one or mixture of lanthanum or cerium rare earth element or oxides thereof. According to the alloy, purification of alloy melt, thinning of alloy cast ingot structures, improvement on alloy recrystallization temperature, improvement on machining performance and corrosion resistance of alloy and improvement on strength, hardness and wear resistance of the alloy are realized in a multi-component and multi-microelement composite addition mode, so that the aim of prolonging the service life of the alloy is fulfilled.