To provide a method for manufacturing an inlaid decorative panel by which an inlaid pattern is applied with an accurate positional accuracy on a surface decorative material, and mass production characteristics are excellent.

A window hole 1a to which an inlaying member faces is formed at a required position of the surface decorative material 1, and then, the inlaying member 2 with a shape following the window hole is loaded in the window hole. Thereafter, a resin layer 7 is formed on the back faces of the surface decorative material 1 and the inlaying member 2 by injection molding to apply a backing processing.