Fecha de publicación: 22/01/2021 Fuente: Wipo "BigData" The utility model discloses a bulletin board applied to big data knowledge. The bulletin board comprises a frame main body, a rotating mechanism, a lamp box, a cleaning mechanism, a bulletin board anda control module, the rotating mechanism is arranged under the frame main body, and the top end of the rotating mechanism is fixedly connected with the lower surface of the frame main body; the lampbox is installed in an inner cavity of the frame body through a support in the vertical direction. The number of the cleaning mechanisms is two, and the two cleaning mechanisms are installed on the front side and the rear side of the frame body in the vertical direction respectively. The propaganda exhibition plate is mounted in an inner cavity of the lamp box through a bracket in the vertical direction; the control module is arranged on the right rear portion of the top end of the frame body. According to the bulletin board applied to the big data knowledge, circumferential rotation of the bulletin board can be achieved, observation of pedestrians in different directions is facilitated, the bulletin effect is improved, the surface of the bulletin board can be automatically cleaned, time and labor are saved, and practicability is high.