Abstract: The novel coronavirus has been sweeping the globe. According to the previous researchers, it is another major infectious disease after human beings suffer from malaria, cholera, Ebola virus etc. This disease appeared at the end of 2019 year and is named "2019 new corona virus" by the World Health Organization (WHO), which is called "covid-19" for short. It has a great impact on human society compared with malaria, Ebola and AIDS, and has also caused great losses to all countries in the world. This study focuses on the situation of world after the pandemic, in particular African countries.