The utility model discloses an integrally lift up formula lift well formwork braced system, be the inner formwords that the rectangular array form set up including formwork support frame and four, four inner formwords surround the formwork support frame, and the inner formword is respectively through flexible subassembly and formwork support frame attach, thereby the flexible subassembly on all inner formwords is close to simultaneously or keeps away from the formwork support frame through the drive of same flexible drive arrangement, adopts the utility model discloses utilize four inner formwords of flexible drive arrangement drive to keep away from the formwork support frame simultaneously to with exterior sheathing cooperation including, form between the exterior sheathing and pour thespace, convenient wall of pouring the pit shaft simultaneously, the back that finishes is built to the pit shaft of a floor, and elevating system upwards promotes the adnexed inner formword of formwork support frame on and once more, conveniently carries out the building of pit shaft of upper story building.