He Juan, author of Diet and Health Preservation, was published by China Light Industry Press on June 20 10. Do you know that sour taste enters the liver, bitter taste enters the heart, sweet taste enters the spleen, spicy taste enters the lungs, and salty taste enters the kidney? Do you know what it means to increase acid and decrease acid temperature in spring, decrease bitterness and increase acid and light in summer, decrease acid and increase yin in autumn, increase bitterness and reduce salt in winter, and replenish yang and protect yin? Do you know how to regulate the nine constitutions of peace, qi deficiency, yang deficiency, yin deficiency, damp heat, phlegm-dampness, blood stasis, qi stagnation and idiosyncrasy through diet? Do you know that drinking a cup of cold boiled water in the morning is actually a misunderstanding? This book will answer you one by one, tell you the way to keep healthy by eating, guide you how to combine your own physique, distinguish the characteristics of the four seasons and the taste of food, nurse yourself through ups and downs, know yourself well, and let you become your own health care doctor and stay away from chronic diseases!