Plastering trowel, also known as plastering board, is suitable for repair of houses, buildings, bridges, etc. It can make cement, mortar and other smears more flat and evenly cover the wall, making the wall look more beautiful. The existing plastering board usually consists of a board surface and a handle. The board surface is fixed with a plastic surface or a metal surface. The handle is usually connected with the board surface in an undetachable way. The above structure of the existing plastering board makes