The utility model provides a block terminal protective structure and block terminal belongs to building construction safety protection field, and block terminal protective structure is used for installing at distribution box housing, and it is including sheltering from subassembly and support group spare. Sheltering from the subassembly and including the shielding plate, support group spare includes elastic support. Elastic support's one end is installed on distribution box housing, and its other end is connected with the shielding plate. The shielding plate is located distribution box housing's top for shelter from distribution box housing's top. The block terminal includes this block terminal protective structure. This block terminal protective structure install on distribution box housing, can effectively shelter from rainwater and snow, and rainwater and snow and distribution box housing's contact time is few, has reduced rainwater and the corruption of snow to distribution box housing to and the pressure that rainwater and snow were used in distribution box housing has been reduced, distribution box housing long service life, the use safe and reliable of block terminal.