Improved nail abutting seat

The utility model provides an improved nail abutting seat which comprises a nail abutting seat body, forming grooves are further formed in the upper surface of the nail abutting seat body in rows, front installation grooves and rear installation grooves which are concave inwards are formed in the upper surface of the nail abutting seat body, the front installation grooves are formed in the front ends of the forming grooves in pairs, and the rear installation grooves are formed in the rear ends of the forming grooves in pairs. A front pressing block is telescopically embedded in the front mounting groove through a spring, one end of the spring is fixed on the bottom surface of the front pressing block, and the other end of the spring is fixed on the bottom surface of the inner wall of the front mounting groove; a rear pressing block is further telescopically installed in the rear installation groove through a spring, the installation mode of the rear pressing block is the same as that of the front pressing blo