To provide a manufacturing method of an FRP molded object constituted by impregnating a reinforcing-fiber base material with a thermosetting resin containing an internal release agent, capable of providing a layer related to surface improvement (=the enhancement of adhesive force) excellent in weatherability and corrosion resistance, enhanced in adhesion and imparting high decorativeness (designedness) and functionality (durability) to the surface of the molded object while holding the mechanical properties such as strength, rigidity, etc. of the molded object, and the FRP molded product.

A bonding layer precursor containing a thermosetting resin the content of the internal release agent of which is 0-0.1 wt.% is superposed on a fundamental structure element precursor, wherein the reinforcing-fiber base material is impregnated with the thermosetting resin, in a state that the curing degree of one thermosetting resin is 50% or above and the curing degree of the other thermosetting resin is 50% or below and the whole is heated and cured to be integrated.