Abstract: A notice board structure which can be expanded laterally to obtain a diversified noting effect. The notice board includes a baseboard, male connectors, female connectors, a designated part, and fastening members. The baseboard has the male connectors fixedly disposed on the right, left, up, and bottom sides. The male connectors at each side of the baseboard can connect with female connectors, whereas the female connectors can connect with the male connectors of additional notice boards such that the purpose of connecting a plurality of notice boards can be attained. The surface of the baseboard for the notice board is engaged with the designated part, which can attain a diversified noticing effect by applying different types of designated parts.