Fe based amorphous powder core is a soft magnetic composite material composed of amorphous soft magnetic alloy powder and pressing the mixture into the insulating medium, with constant permeability, high resistivity, low loss, good temperature stability, moderate price and other characteristics in high frequency, electronic equipment and devices to meet the high frequency, miniaturization and high current the trend is an important development direction of magnetic core material, has been more and more attention of researchers, has made significant progress in the research of preparation technology and Application