In today's society, the fast pace of life, 24-hours, novel, fashionable, intelligent and other needs have become the consumption trend of young consumers, Unattended self-service retail sales model is highly respected. Vending machine is very in line with this demand. It is not limited by time and place, saves labor and facilitates transactions. It is a new form of commercial retail, and is becoming a new outlet for the upgrading of retail consumption. Innovation can adapt to the development of the times, of course, vending machines have developed many types so far. From the structure, it can be divided into locker machine, spring vending machine, S-shaped vending machine, belt vending machine with automatic lifting system and so on. From the application, there are beverage vending machines, fruit vending machines, adult supplies vending machines, Snack Vending machines, fast food vending machines, etc. The manufacturing cost and function design of vending machines from different