The utility model discloses an early-dismantling formwork system. The early-dismantling formwork system comprises an inner wallboard system, an outer wallboard system, corner formworks and a floor support board system. The floor support plate system comprises a floor formwork and an early-dismantling device, the early-dismantling device comprises a vertical independent supporting rod, an early-dismantling supporting head arranged at the top of the vertical independent supporting rod in a clamped mode and an early-dismantling beam, and the top of the early-dismantling supporting head is arranged on the lower surface of the early-dismantling beam in an attached mode. The early-dismantling beams are attached to the lower surface of the floor formwork in parallel at intervals; the inner wall plate system comprises two first wall column formworks, first back ridges arranged on the outer side faces of the first wall column formworks, a top plate connecting formwork, connecting lock catches and split bolts, the lower ends of the first wall column formworks are arranged on the lower floor, and the upper ends of the first wall column formworks are connected with the lower end of the top plate connecting formwork through the connecting lock catches. The concrete formwork is good in forming effect, not prone to deformation, reliable in formwork system and capable of meeting the requirements for high-strength-grade concrete and winter construction.