This book "Pandemic and Self-Protection" is written based on the three years of Covid-19 epidemic prevention and anti-epidemic process, combined with other people's and their own experiences. Disasters have been repeating themselves, and tragedies have never stopped. To write history is to remind us and future generations that this is a global biological warfare, a catastrophe that affects the people of the world and affects the global economy. In the book, the author analyzes some of the main reasons why modern people are susceptible to viruses, and how to improve our living, working and eating habits. At the same time, it also excerpts the introduction and principle of the main vaccines for Covid-19 on the Internet. In the book, the author cites the perennial use of poisons such as herbicides and insecticides on agricultural by-products and land hazards to compare the serious consequences of multiple injections of virus vaccines and large-scale nucleic acid testing, thereby prompting the outbreak of a large number of virus infection clusters. In the book, the author analyzes the side effects of China's inactivated vaccines and large-scale nucleic acid testing, which is also the internal reason for the tsunami-like epidemic that occurred in China from urban to rural areas at the same time. And antibiotic treatment of severe infection of new coronavirus is not the right medicine, which accelerates the death rate of patients with severe new crown virus. Covid-19 is transmitted through the respiratory tract and directly attacks a person's lungs. In the book, the author mentions how to protect our respiratory system, how to increase the breathing capacity of the lungs, increase our own immunity, take self-protection measures, and try to avoid virus infection and secondary infection as much as possible.