Embedded type column base joint of concrete column and construction method of embedded type column base joint

The embodiment of the invention provides a concrete column embedded type column base joint and a construction method thereof. The concrete column embedded type column base joint comprises a column body, a reinforcing mechanism and a supporting mechanism. At least part of the column body is embedded into a foundation pit; the column body is sleeved with the reinforcing mechanism, the reinforcing mechanism comprises a plurality of reinforcing assemblies, and the reinforcing assemblies extend in the direction away from the column body from the side wall of the column body; the reinforcing mechanism comprises a first reinforcing plate, a second reinforcing plate and a supporting rib plate, the first reinforcing plate and the second reinforcing plate are arranged side by side in the axial direction of the column body, and the supporting rib plate is arranged between the first reinforcing plate and the second reinforcing plate; the supporting mechanism comprises a first supporting assembly, a second supporting asse