In 2020，due to the impact of COVID-19，the entire underwent industry underwent tremendous changes. Although there has been a huge blow，and many restaurants have experienced a wave of closures，the number of online takeout users in China has reached 456 million，and the business revenue of takeout has reached 811.94 billion yuan，thus the number of users and the amount of revenue have achieved a huge growth. Under the impact of COVID-19，catering enterprises also started to explore the online takeout business and spent more energy on the standardized production of finished and semi-finished products，launched multiple sales channels of “eat-in + takeout + takeaway + retail”，and explored multi-period and multi-scene business models such as “community stalls” and “24-hour restaurants”.