The utility model discloses a 360-degree rotating earphone, which comprises an earphone inner shell, an earphone outer shell arranged on the front surface of the earphone inner shell, playing units arranged in inner cavities of the earphone inner shell and the earphone outer shell, an ear hook arranged on the side of the earphone inner shell, and a rotating component arranged at the joint of the earphone inner shell and the ear hook, and comprises a positioning column arranged at the end part of the ear hook, the end part of the positioning column is inserted and connected to the outer side of the earphone inner shell, a fastening bolt is inserted and connected to the end part of the positioning column and located in an inner cavity of the earphone inner shell, and a damping part for buffering rotation of the positioning column is arranged on the outer side of the positioning column; according to the utility model, the rotating component is arranged at the joint of the ear hook and the earphone inner shell, the damping part in the rotating component buffers the rotation of the positioning column, and the earphone can rotate by 360 degrees relative to the ear hook through the positioning column, so that compared with other ear-hanging earphones, the earphone can adjust the ear hook to an angle matched with a wearer, and the earphone is more convenient to use. Therefore, the ear hanger adapts to ears of a wearer, and the unadjustable angle of the ear hanger is avoided.