The invention relates to the technical field of commodity marketing, in particular to an automatic marketing and popularization method and system, and the system comprises an information collection unit, a storage unit, a distribution unit and a logistics unit. The information acquisition unit comprises a total warehouse data acquisition module and a branch warehouse data acquisition module. The storage unit is used for storing the stock of the total warehouse commodities, the stock of the branch warehouse commodities, the demand quantity of the commodities and the position information; The distribution unit is used for calling the demanded quantity of the commodities in the storage unit, comparing the demanded quantity of the sub-warehouse commodities with the stock of the sub-warehouse commodities, and screening out sub-warehouses with the stock larger than the demanded quantity and sub-warehouses with the stock smaller than the demanded quantity, and Generating nearby delivery information based on the position information; When the branch warehouses with the stock larger than the demand quantity are not screened out, the distribution unit generates total warehouse delivery information; And the logistics unit is used for sending the nearby delivery information or the total warehouse delivery information to an administrator. According to the invention, the problem of inconvenience in commodity sharing of warehouses can be solved.