This book summarizes achievements and technology of China's underground gas storage in the past 20 years based on years of experience and technology accumulated in the construction and operation of gas storages. It also analyses and projects the future construction of underground gas storages in China Readers can systematically understand the construction status of China's underground gas storages, the difficulties encountered and the process and solution to such difficulties. It provides important theoretical and technical guidance for both in China and the world. Features of this book are listed as 1. Understand the development history, construction status, development trend of the underground gas storages around the world with countries and regions listed as case studies. 2. Understand the market demand of China's underground gas storages and resource distribution. 3. Understand the underground gas storages already built in China. 4. Understand the integrity management and risk control of the gas storages in China. 5. Understand the operation and management mode of gas storage. The target audience are those engaging in the research and technical management of the underground gas storage. It's a valuable reference for both reseachers and college students as well in the fields of underground storage of carbon dioxide (CO2) and helium (He), Power to Gas energy accumulation.