A plant factory is a topic whether it is these days. It is increased interest as opposed to a plant factory recently in a direction of future agriculture. However, the discussion on plant factory is the fact that sporadic, examination of the economic side is lacking in. Therefore, it is going to be examined at of technology and an economic point of view as against a condition for use in industrialization of a plant factory and possibility by this study. Aplant factory begins to be made common use in developed countries from 1960's, and technology is accumulated with a considerable standard. In Korea, cultivation technology has begun to develop through a glass green house business in 1990's. A study to apply light emitting diode technology to farm products cultivation in these days is traveled lively. A plant factory is determined according to a japanese example by there being economy. Research and development is promoted with a course to make productivity and quality control recently in Japan. Especially, construction of a vertical farm is planned in USA and Canada. Therefore, it is necessary Korea more positions a plant factory in new growth power of agriculture, and to do. A research and development investment of plant factory is expanded, and newly technical developments is promoted positively, and it must advance.