This research explores the current situation of the Sanitary Provision in medium to large shopping malls. It outlines the develop process on the Sanitary Provision Ratio in Hong Kong, the History, Development and the Current Situation. This research also studies how the relationships between sanitary provisions and the operation / performance of shopping malls. The research involves a review of relationship between the revenue or the customer satisfying rate and the sanitary provision. The researcher tries to make suggestions for sanitary provision in future shopping mall and compare the benefit with the falter reasons. The benefit is quantified to the revenue & customer service in particular shopping mall while comparing to the expense on offering a better sanitary provision facility. After the comparison, suggestions would be drawn on the form of sanitary provision in the future shopping mall in order to achieve a balance between Cost (extra installation on the sanitary provision) and Benefit (Good impression from the customer and Shopping Mall Revenue). / published_or_final_version / Housing Management / Master / Master of Housing Management