The invention discloses a manufacturing method of a PCB board internally provided with an active device. The method comprises the steps of: laminated and stacked structure designing, manufacturing of a component mounting surface of an internal core plate, internal core plate surface mounting, laminating and molding, post-processing and the like. The manufacturing method of the PCB board internally provided with the active device has the advantages that the reliability is high, the machining precision is high, the quality stability is good and the practicability is high.