We knew many approaches to maximize the sales in the prior books and research. But realistic research to analyze retail market systematically is rare. Because of difficulty of obtaining sales data and figure the elements realistic. So this research aims to identify different factors in the Grocery retail market that influences manufacturer. Grocery POS data was collected and then we developed an effect assessment model to analyze demand response in the different channels. Further more, we propose the demand response function and alternative management method for different goods including the revealed factors to improve efficiency in real retail market.