The COVID-19 epidemic is breaking out in Yiwu city, Jinhua, Zhejiang province, China. At least 70 local positive cases have been recorded. Currently, the epidemic has spread to many provinces and cities. Yiwu, known as China's largest retail trade center, recognized by the World Bank as the largest market in the world, has now become a deserted city, without a shadow of people, and the epidemic situation is worrying.