On January 15, 2020, China and the United States signed the first stage of the Economic and Trade Agreement. The United States pledged to abolish part of tariffs on China, and would reinforce the exemption from customs duty on Chinese products which import to US. In this excellent situation, the outbreak of COVID-19 created a new dilemma to the whole nation. China's textile and garment production and trade suffered serious losses. In response to the COVID-19, China has issued relevant supporting and reduced policies. Based on the background of the post-epidemic, this paper analyzes the development of China's textile and garment export, and puts forward the coping strategies.