A display board is provided, for assembling of at least one socket thereto. The display board includes a main body and a cover member. The main body is formed with a slot. The slot is open to form an open side. The main body further includes at least one assembling portion for the at least one socket to assemble thereto and a hang portion. The cover member is connected with the main body at the open side and encloses the open side. The cover member and the main body construct an annular profile. Two opposite ends of the open side are formed with two engaging slots. Two opposite ends of the cover member are formed with two ear portions. The two ear portions are engaged respectively with the two engaging slots. The cover member is for the at least one socket to abut thereagainst.