A cable management apparatus includes a securing board and a cable management element. The securing board defines a first slot and a second slot. An extending direction of the first slot is substantially perpendicular to an extending direction of the second slot. The cable management includes a base panel, a connecting portion, a positioning tab corresponding to the first slot, a resilient tab corresponding to the second slot, and a securing panel extending from the base panel. The securing panel includes a panel body and a securing portion. The connecting portion includes a first connecting panel and a second connecting panel. A receiving space is defined between the panel body and the first connecting panel. The second connecting panel has a free end. The second connecting panel is capable of moving relative to the first connecting panel to enable the free end to be engaged in the securing portion.