Drawing inspiration from his own experience, the author Tian Tongsheng finished an excellent work at the age of 71 on popularizing the know-how about living a long life based on his own experience. Starting with the story of "the Marathoner Grandpa Zhang Shun", a model of healthy aging, this book integrates and analyzes professional yet obscure knowledge in the fields of health, exercise, and longevity, and gives clear, actionable guidance, aiming to form a healthy lifestyle combining prevention, early screening, and scientific training into a comprehensive health development program. Against the backdrop of an aging society, the author hopes to help readers learn to foster a healthy lifestyle by developing new conceptions of health and designing a personal plan for optimal health. Combined with a wealth of real-life examples, the author suggests that although it is difficult to cure common major chronic diseases such as heart disease, cancer, Alzheimer's disease, and diabetes, we can manage our personal health with the help of personalized and scientific exercise plans and recipes, health monitoring tools, and wearable devices. With action and disease prevention, we can extend our healthy life span and keep ourselves away from chronic diseases. This book advocates a comprehensive approach to improving health literacy. By following scientific guidance, everyone can chart a very different path for their future, one that exceeds personal expectations and makes everyone happier and every family more fulfilled.