The emergence of the novel coronavirus pneumonia in 2020, which brought the "black swan" to the world, has brought more adverse currents to economic globalization. The simultaneous contraction of Global trade investment scale and total economic output has aroused concern of all parties. The United Nations Conference on Trade and development called in the trade and development report 2020 that if there is no radical policy to reactivate trade and capital flows, the recovery and development resilience of the global economy will face enormous pressure.