The invention relates to a charging bow mounting mechanism of an electric vehicle. The charging bow mounting mechanism comprises a vertical base and a charging bow bracket, wherein two charging electrodes are mounted on the bottom surface of the charging bow bracket; an upper swinging rod and a lower swinging rod are connected between the upper end of the vertical base and the charging bow bracket; the swinging shaft of the upper swinging rod and the swinging shaft of the lower swinging rod are mounted at the upper end of the vertical base; the swinging end of the upper swinging rod and the swinging end of the lower swinging rod are separately hinged to the charging bow bracket; the two charging electrodes are arranged on the bottom surface of the charging bow bracket in a front-and-rear manner; a resetting spring is also arranged between each charging electrode and the charging bow bracket in a cushioning manner; and when the two charging electrodes of the charging bow bracket are under a non-charging condition and are free from an external upward acting force, the lower surface of the charging electrode in the front part is higher than that of the charging electrode in the rear part. The charging bow mounting mechanism disclosed by the invention cannot be located right above the road surface of a road when charging is not needed, so that influence on road scenery is reduced, the charging bow mounting mechanism is avoided from being scraped by a vehicle which breaks rules and regulations due to being super high, and safety can be guaranteed.