In a time of such fierce competition, a poor first impression, consumers simply do not have the opportunity to discover your inside. The door head is equivalent to the shopping mall shelves, it directly affects the milk tea store exposure rate, the customer's choice to enter the store. In the same location, my milk tea store obviously product flavor is better, and competitors to the door head as an important advertising space to attract customers and then the door of the city, their own milk tea store but only a few customers. The phenomenon behind such a bottom formula: exposure rate + store rate = turnover enhancement magic.