The epidemic situation of new coronavirus infection has become globalized and seemed to be long-term existence, and its prevention and control will become normal. Under the comprehensive situation of resumption of work and production, reopening of school, the intake of sufficient nutrients and the improvement of immunity are personal primary protection against viruses. Prepared foods can be a convenient way to provide dietary nutritious food. Here, we discuss the current situation of the market development of prepared foods in China from the perspective of the human nutrition demand and the convenient supply of dietary nutrients under the long-term trend of epidemic globalization, analyzing the prepared foods safety supervision and the research progress in nutrition and hygiene.