This paper is an analysis of materials taken from the excavation site of the Villa Bottaro. The first chapter will provide the background of the ancient villa using the excavation reports and other documents to examine the archaeological site and the objects excavated. Chapter 2 is a review of the traditional understanding of the Third and Fourth Styles of Pompeian wall painting developed by the art historian August Mau. Chapter 3 brings forward the recent scholarship that questions the relevance of Mau's chronological system. .