The invention discloses a self-cleaning windshield wiper actuating arm of a new-energy automobile. The self-cleaning windshield wiper actuating arm comprises a windshield wiper arm body, the windshield wiper arm body is provided with self-cleaning structures, and the self-cleaning structures comprise the side wall self-cleaning structure and the top surface self-cleaning structure; the side wall self-cleaning structure comprises a first supporting rod and two sliding cleaning structures, and the top surface self-cleaning structure comprises a longitudinal cleaning structure and a transverse cleaning structure; the longitudinal cleaning structure comprises a second supporting rod, a restoring mechanism and a first cleaning mechanism; the transverse cleaning structure comprises a third supporting rod, a driving structure and a second cleaning mechanism. According to the self-cleaning windshield wiper actuating arm, multiple automatic cleaning structures are arranged and slide to the upper end of the windshield wiper actuating arm body along with upward swing of the windshield wiper actuating arm body, the windshield wiper actuating arm body can stay for a short while when swinging tothe limit position, and at the moment, the automatic cleaning structures fall to the original position automatically under the influence of gravity, so that the effects of automatic cleaning and automatic restoring are achieved, cleaning is convenient, and a good cleaning effect is achieved.