Abstract: Under the background of COVID-19 Pandemic, the shared employee mode has become a new function of work resumption. Shared employee is a new type of employment mode. Systematic analysis of its theoretical connotation and development framework plays an important role in guiding the practice and application of shared employee mode and the further theoretical research.From the origin, connotation, advantages, challenges, strategies and trends, this paper systematically discusses the theoretical framework of shared employment mode. The research shows that, as a combination of sharing economy and gig economy, the shared employee mode is an innovative form of flexible employment mode in essence; B2B and C2B are the mainstream emergency shared employment mode of enterprises under the background of COVID-19 Pandemic; the shared employee mode is a kind of new mode of cooperative employment with win-win results, in the future, the state and society, enterprises, individual workers and other forces should be integrated to cooperate.

Key words: work resumption;shared employee, employment mode, sharing economy, flexible employment, gig economy