A method of manufacturing a package may include forming a package module by disposing a plurality of components on an insulating plate filled with a viscous insulating liquid and curing the viscous insulating liquid, exposing at least portions of terminals of the plurality of components by polishing the insulating plate to have a predetermined thickness and then etching at least one portion of the insulating plate, forming a conductive stud on the at least exposed portions of the terminals and cutting the package module into predetermined unit packages, and examining reliability of a printed circuit board and bonding the unit package to the printed circuit board having confirmed reliability using the conductive stud.