Constructional column assembly structure

The invention relates to the technical field of buildings, and discloses a constructional column assembling structure which comprises a formwork assembly and a plurality of reinforcing devices and further comprises a first formwork unit and a second formwork unit which are arranged from bottom to top and connected through a first mortise and tenon joint structure. The first formwork unit comprises at least two first formworks which are connected through a second mortise and tenon structure and define a first pouring space with the top open, the second formwork unit comprises at least two second formworks which are connected through a third mortise and tenon structure and define a second pouring space, and the multiple reinforcing devices are arranged outside the formwork assembly in the vertical direction. The reinforcing device comprises at least two reinforcing assemblies which can define a reinforcing cavity, and the inner wall of the reinforcing cavity is tightly attached to the outer wall of the formwork