This study aims to identify the role of science park for technology commercialization and business promotion. After theoretical review about science park and technology commercialization, the instruments for stimulating entrepreneurship and business in science park are described. The experience of Taedok Science Town is examined in terms of main sectors of activities, universities as base for technology transfer and the potential for technology commercialization. In conclusion, the complex model is suggested as the development strategy for business incubation in accordance with the stages of development and active technology commercialization.