Traditionally, the sample of the traditional questionnaire survey data to locating a new commercial district is small and the efficiency is low. Therefore, we put forward a method to locate a new commercial district based on social media check-in data. Using the Huff model, we took the area of commercial district, the network distance from demand point to facility and clustered customer check-in data as input and the sensitive parameters of area and network distance as output information, and obtained the p...