I. Introduction
Leisure food refers to a variety of meat, fish, or fruits and vegetables that are made into fast-moving consumer goods for people's leisure time with appropriate technology, which has the characteristics of long cycle, easy storage, and high repeat purchase rate. According to FrostSullivan's estimation, the scale of China's leisure food industry has exceeded one trillion yuan in 2018, with a compound growth rate of nearly 12% from 2013 to 2018, showing a fast growth rate.