Universal base for floor hanging formwork and construction method thereof

The invention discloses a universal base for a floor hanging formwork and a construction method thereof. The base comprises a lower support, the lower support comprises a vertically-arranged lower cylinder and a bottom plate fixedly connected to the bottom of the lower cylinder, the lower cylinder is in threaded connection with the lower portion of an upper support, the top of the upper support is provided with a supporting face, and a threaded hole is formed in the bottom plate. The base and the method have the characteristics of being accurate in positioning, convenient and fast to install, high in universality, safe, stable and the like, can replace traditional hanging formwork supporting and fixing methods such as a secondary pouring method, a reinforcing steel bar support method and a cushion block supporting method, eliminate quality defects such as formwork expansion, slurry leakage and slab staggering commonly existing in hanging formwork construction, effectively prevent potential safety hazards caus