This case study is to give based on how to use PR campaign by on strategy on lift for brand image. A effect studies from the communication perspective are the mainstream of the PR campaign and brand studies in these days. Comparably, long term case studies and investigations are rare. Accordingly, we have to search successful case study for relation in PR campaign and brand strategy. Woongjin-Thinkbig is major brand of the same kind in sanitation product companies. For this reason, introduced as a successful brand case. Among the PR campaigns, 'a great man for honest education' and 'creative ability' are well known. Woongjin-Thinkbig brand cases have a few strategical meanings as following. The first, communication with a continuously, the second, communication with nature concept and material only, the third, communication between all of them. It means that a brand image has to be managed in terms of the communication with consumers and that the result of this study can be introduced to the academic and industrial field as a successful case.