全书以有效防止疫情扩散蔓延为中心，以问答的形式，引领大众认识新型冠状病毒、新型冠状病毒肺炎,旨在对公众宣传有关新型冠状病毒肺炎正确的、权威的、专业的防护知识，避免公众产生恐慌心理，做到正确认识、做好防护、维护健康。Viruses travel across borders. At present, the outbreak of COVID-19 is spreading exponentially across the world with multiple epicenters. In the face of this common challenge, all countries in the world should watch out for and help one another. As a responsible big country, China actively supports and participates in international cooperation to fight the epidemic. spares no effort to safeguard regional and international public health and security, and promotes the building of a community with a shared future for mankind.This booklet is to disseminate knowledge about COVID-19 and to provide a clearer picture of the epidemic situation, so that people can stay calm, be better prepared, and protect themselves more effectively.