Cigarette retail marketing shop portrait/region portrait construction method and system

The invention provides a cigarette retail marketing shop portrait/regional portrait construction method and system. The method comprises the following steps: acquiring basic information of a user, consumption data of a shop and a preset product label in a current preset period; in a current preset period, based on a first tobacco product set which is consumed by a user and contains a specified product label, determining the frequency of the long-term interest portrait, and calculating the weight of the specified product label in the long-term interest portrait according to the frequency of the long-term interest portrait; in the latest period of time of the current preset period, introducing an attenuation coefficient, determining the frequency of the short-term interest portrait based on a second tobacco product set consumed by the user and containing the specified product label, and calculating the weight of the specified product label in the short-term interest portrait; adjusting parameters are set, and t