Covid-19 has serious impact on the global economy in 2020, which leading to operation difficulties for small and medium enterprises. In addition, the development of online office industry will also affect the joint office industry. As the data of iiMedia Research showed, 45.4% of the interviewed joint office users believed that the occupancy rate of their joint office had decreased compared to the one before the epidemic. In 2020, the growth of China joint office market is also expected to slow down, and the market scale will reach 136.82 million yuan. However, the advantages of joint office in office and rental mode are more suitable for small and medium enterprises or star-ups to make transition in the early stage of epidemic slowdown, and its development is still worth looking forward to. Joint Office enterprises need to gradually expand the value-added services in the middle and back-end, provide vertical services for customers, seek the transformation of profit model, which is for getting rid of the limitations of the current ‘rental operation’ business model.