Abstract
Recently, the descent of commerce in the city center of regional cities was recognized as a problem everywhere. The three acts on city planning enacted in 2000 didn’t work due to a contradiction of itself. However, while facing a contradiction, the commercial activation business of the city center has been continued in many regional cities.Therefore, this study aims to view the commercial activation business of the city center in regional cities, focusing on the trend of commerce and the business of commercial activation under the three acts on city planning.