a double - alloy ndfeb rare earth permanent magnetic material and manufacturing method thereof are provided . the method comprises respectively melting an a1 alloy comprising heavy rare earth such as dy , tb , ho and gd as well as an a2 alloy comprising light rare earth such as la , ce , pr and nd ; mixing the a1 alloy and the a2 alloy by a two - dimensional or three - dimensional mixer with a ratio of a1 / a2 = 0 ˜ 0 . 5 under protection of nitrogen ; producing powder in a jet mill after mixing ; collecting fine powder ; putting and mixing the powder and the fine powder in the two - dimensional or three - dimensional mixer ; putting into a magnetic field pressing machine for pressing under the protection of the nitrogen after mixing and producing permanent magnetic products by sintering , aging , etc . the present invention can obviously decrease rare earth utilization and increase a magnetic energy product and coercivity of the rare earth permanent magnet .