A connector cover module adapted to be disposed on a connector on a mother board is provided. The connector cover module includes a cover body and at least one light guide bar. The cover body includes a top surface, a plurality of lateral surfaces, and at least one arm extending from one of the lateral surfaces and bending outward to form an accommodating groove. The light guide bar is disposed beside one of the lateral surfaces, held by the arms, and located in the accommodating groove bent and formed by the arms. A cover body is further provided.