"This book is mainly divided into four parts. The first part is the basic knowledge of ozone, the second part is the harm of ozone, the third part is the control and governance of ozone (including ozone-related standards, etc.), And the fourth part is the population health protection of ozone. This book focuses on the public health protection needs of ozone pollution, from pollution source emissions, treatment measures, population exposure to and health hazards. Through easy-to-understand words, we disseminate ozone pollution health protection knowledge to the public, cultivate the public's health awareness of ozone protection, and enhance the public's personal protection skills, so as to improve the public's personal protection ability against the health risks of ozone pollution and guide the public to actively participate in the prevention and control of ozone pollution.