Today the package design is the starting point of marketing action impling the life style of consumers and it takes charge of the materialization of merchandising. The package design needs an accurate design process to succeed greatly. It should be based on the design methodology. The design methodology is not carrying out a design by illogical intuition or an inspiration or artistic gift but solving a problem by realizing all processes of design in a positive way drawing near to consumers fittingly. The object of the study shall be an extension of success in targetmarket as much as possible by developing module about a process and suggesting it in order to introduce the package design concept. This developed module put the input-output method among the design methodology of creative thought into practice. Namely, we can obtain a lot of creative ideas in process of transforming and developing input output (the process of concept). The object of the introduction of the package design concept is not only a package of physical faculty but also making a subject and giving it a meaning and expressing an apt freshness and beauty. Therefore, a good design concept is the package design itself and it means to fill up consumer`s desire. Ultimately, as regards the package by excellent and peculiar design concept, the peculiarity becomes the sales point. This is why it is interpreted as the meaning of effectual idea to sell consumers merchandise or package. Finally, the future designers are going to play an important part as the creators of image and they should have not only a capacity of visual expression but also a creative ability of design concept.