USB connector with rotation function

The invention relates to an USB interface with the function of the circumrotation. It is fixed on a pedestal and includes one revolving cylinder with at least one body size hole and a flange, one quadrate connecting block with a flute, which connects with the revolving cylinder, one metallic protecting sheath, which covers the quadrate connecting block to protect the quadrate connecting block and plural signal coupling sheet, which is set on the flute of the quadrate connecting block and extends to the body size hole of the revolving cylinder to transmit the signal. The quadrate connecting block and the revolving cylinder are combined into a unit and the revolving cylinder is the revolving interface between the pedestal and quadrate connecting block to make the quadrate revolve around the pedestal.