Rain stain-proof ideological and political bulletin board

The invention discloses a rain stain-proof ideological and political bulletin board and relates to the technical field of bulletin boards. The bulletin board comprises a propaganda frame and an adjusting mechanism; a display plate is arranged in the propaganda frame, a dismounting mechanism is arranged between two sides of the propaganda frame and the display plate, a cleaning mechanism is arranged in front of the display plate, a power mechanism is arranged on the rear side of the display plate, and the power mechanism drives the cleaning mechanism to reciprocate left and right; the adjustingmechanism is arranged below the propaganda frame and comprises a fixed seat, a rotating groove is formed in the upper side of the fixed seat, a turntable is arranged in the rotating groove, the turntable is connected with the lower surface of the propaganda frame, a mounting seat is arranged below the fixed seat, a mounting groove is formed in the lower end of the mounting seat, a fixed column ismounted in the mounting g