Split combination large steel formwork

The utility model provides a split combination large steel formwork. The split combination large steel formwork comprises an upper split formwork and a lower split formwork which is arranged below the upper split formwork. The upper split formwork is installed in place through a limiting supporting device of the lower split formwork. The lower split formwork is provided with a lateral limiting device, which facilitates one-time place taking of the formwork. Relative displacement of the formworks is little and thus, the flatness of a concrete face is ensured and the assembling speed is improved. According to the split combination large steel formwork, the upper split formwork and the lower split formwork are used for arranging shearing wall formworks of all layers in an erected mode. The split combination large steel formwork has the advantages of being high in turnaround utilization rate, high in assembling speed and good in integrality of pouring concrete.