The new patent technology discloses a 7-pin fast magnetized suction wire, which comprises a magnetic suction connector assembly, an intermediate wire and a USB connector assembly, wherein the intermediate wire is connected with the magnetic suction connector assembly and the USB connector assembly; The magnetic connector assembly comprises a shell assembly and a magnetic conductive assembly built in the shell assembly, and the outside of the whole magnetic connector assembly is electrically connected with different types of magnetic suction heads through magnetic attraction.