Beverage sales system

A beverage sales system comprising:

• a display wall plate,
• a plurality of beverage dispensing devices disposed at intervals on the display wall plate, each beverage dispensing device being individually connected to a beverage supply device, and the beverage supply devices containing beverages differing in flavors or brands;
• a plurality of billing devices, each of the billing devices being positioned at one side of each of the beverage dispensing devices and operatively connected to the respective beverage dispensing device for calculating a monetary amount of the volume of the beverage dispensed each time by the respective beverage dispensing device, and recording it on a storage medium;
• a display interface disposed on the display wall plate;
• and
• a control device operatively connected to the display interface including a pricing mechanism for dynamically changing a selling price of the beverage dispensed from each beverage dispensing device and generating price fluctuations through the pricing mechanism, the changes being reflected and displayed in real time on the display interface, wherein the control device is operatively connected to each of the billing devices for recording the sales figures of beverages dispensed from each beverage dispensing device, and the pricing mechanism is adapted to dynamically recalculate and adjust the selling prices of the dispensed beverages based on the recorded sales figures of the beverages dispensed from each beverage dispensing device, so as to generate price fluctuations and display them on the display interface.