To provide a construction method of a concrete rising part simplifying the field work of construction and attaining high productivity and high accuracy in monolithic finishing of a concrete surface.

In this construction method of the concrete rising part, a recessed fitting 1 has a support shaft inside, and the lower end of the support shaft is fixed, while the upper end is provided with a member fitting plate 14. The recessed fitting 1 is constituted to be vertically movable. The recessed fittings are intermittently fixed onto a concrete floor face, and side plates 21 are fitted to both outer surfaces of the fitting. Concrete is placed between the side plates so as to be integrated.