After the outbreak of the epidemic, China’s foreign trade industry has been greatly impacted, and the survival of Chinese export enterprises in the post-epidemic era has become more difficult, and the surge in Sino-US trade frictions has further aggravated the difficult status quo of China’s export industry. This paper studies the relationship between marketing ability and export performance through literature research and mathematical analysis, aiming to help Chinese export enterprises get rid of the current situation of downturn, improve market competitiveness, and put forward feasible guidance strategies for improving the export performance of Chinese enterprises.