Wall gap plugging structure and clean room

The utility model provides a wall gap blocking structure and a clean room. The blocking structure comprises a connecting piece and a baffle. The connecting piece is provided with a clamping groove and an inserting groove, the baffle is suitable for being inserted into the inserting groove, and the baffle is provided with a bonding part suitable for being connected with the inner wall of the preformed hole. The clean room comprises the wall gap plugging structure. When the civil engineering wall and the partition wall need to be blocked, the baffles are inserted into the inserting grooves firstly, and the upper ends and the lower ends of the baffles are coplanar with the upper ends and the lower ends of the connecting pieces correspondingly; and then the connecting piece is moved, so that the part, located on the inner wall of the avoiding hole, of the partition wall is embedded into the clamping groove, meanwhile, the baffle abuts against the door frame, the bonding part is bonded with the inner wall of the p