The preferential activities are strong. There are many individuals in maternal and infant stores, and the competition among various franchise stores in the streets is still fierce. In this regard, many stores will join the group goods. In this way, the mother-infant store can stock a small amount of goods, without overstocking, and the cost will naturally be reduced. After all, for milk powder, a product that has been eaten for two or three years and has high customer loyalty, many stores have made great efforts in service and price, and it is common to make big promotions from time to time.