The commercial monitoring and evaluation system based on WIFI probe can capture the MAC address of the customer's mobile phone, locate and analyze the data. This system is used in the mall monitoring, through the intuitive and simple comparison chart, to help business managers to analyze customer consumption behavior. Accurate analysis of passenger flow to provide convenient and intuitive performance analysis for mall operators. To a large extent to help buyers and sellers, convenient shopping guide, the best consumption. Managers can use this to plan a better way of doing business and marketing.