The utility model provides a novel durability building mould shell, including end rib, side rib, draw -in groove, manual formwork stripping device, limit rib, mould shell body, temperature and humidity detector, its characterized in that: still include molar, strengthening rib, support frame, the bottom of mould shell body is provided with the support frame, the inside of mould shell body is provided with the strengthening rib, the top of mould shell body is connected with the limit rib, the molar has been offered on the rib of limit, the symmetry is provided with side rib on the inner wall of mould shell body. The utility model discloses be provided with network structure's strengthening rib, not only can improve mould shell body bearing capacity, can improve its toughness moreover, can effectively prolong its life, set up the molar on the limit rib of mould shell body, avoid the phenomenon of mould shell maintenance work difficulty, life weak point, be provided with the support frame in the bottom of mould shell body, play supporting role, avoid using for a long time the bottom surface of wearing and tearing mould shell body, improve its life.