This book is published from correcting and complementing author's doctoral thesis 'A study of historic site investigation on Japan colonization'. The author examined historical site investigation in the process of ideologizing justifying ruling Korea. Historic site investigation in Japanese colonization can be divided into two views. One is to prove archaeologically colonial historical perspective as logic of giving legitimacy of colonization, the other is to give salience to a positive aspect of colonization showing cultural feature of colonization both internally and externally.