Since the epidemic, China's various industries have been hit by the impact can not be underestimated. The caterer is even more difficult, this round of the epidemic restaurant is the main place of transmission, the restaurant is relatively confined, the personnel gathered stay a long time, and can not take masks, the epidemic is serious accidentally have to be temporarily closed, caterers want to long-term survival can be said to be stretched to the limit. Recently, a lot of netizens found KFC, Hei Tea and other door are used on the intelligent food cabinet, many take-out workers, customers do not have to scan the code into the store, in front of the store can get meals, very convenient. Realize the "zero contact" to get food.