The invention discloses a sieving and drying device for metal powder, which comprises a hot air blower, a powder sieving box, a material distribution box and a dispersion box. Conical mixing drum, the main shaft of the second motor is provided with a stirring shaft, the lower end of the conical mixing drum is provided with a feeding pipe, the lower end of the feeding pipe is connected with the distribution box, and the feeding pipe is provided with Control valve, a runner is provided in the distribution box, two grooves are symmetrically arranged on the runner, a mounting seat is provided on the side of the upper end of the powder sifting box, and a motor 1 is provided on the mounting seat. The main shaft of the motor is provided with an eccentric wheel, the powder sieving box is provided with a screen frame, the inside of the screen frame is provided with a screen, the bottom of the powder screening box is provided with a bracket, and the upper end of the bracket is provided with a Recycling box, this device realizes the quantitative screening of powder, ensures the screening effect and efficiency of the screen, the powder after processing by this device contains less impurities, and the powder has low water content.