Abstract:The restoration project of Tanzhesi Archway is based on the principle of keeping the original state, and adopts a new repair plan: first set up scaffolding, use jacks from the roof of the tilted leveling. Then cut off the rotten parts of the building column, with four tile steel plates to clamp the upper part of the building column, the lower part of the building column with Clamp rod stone, Clamp rod stone filled with cement, the replacement of the new building column is completed.