The book is divided into thirteen parts: health standards; Healthy nutrition therapy; Cooking, nutrition and health; Nutrition and health care for all ages; Longevity and health; The best time to stay healthy; Bathing is for health; Four seasons life and health; Dietotherapy and health care; Healthy medication; Health special therapy; Healthy lifestyle reminder; Some suggestions on scientific health preservation. This book is informative, easy to understand and suitable for readers who care about their own health.