As a doctor who has been treating patients for a few decades, Dr Zhong Nanshan's goal is to help people have a deeper understanding of the importance of health and their current sub-health status. In this book, Dr Zhong highlights five fundamental elements focusing on the key to a healthy life. He leads us to gain control of our health and lead a better lifestyle.As a result of the COVID-19 pandemic, an increasing number of people are beginning to realise how crucial it is to have a healthy lifestyle. Without using complex medical jargon, this book effectively guides all who are keen to improve their health and general well-being, through easy-to-understand procedures, colorful illustrations and up-to-date charts.