The Book of Health Preservation-Treatise on Febrile Diseases Health Preservation Wisdom is a book of health preservation presented to the world by the famous doctor Wang Changsong. This book attempts to fundamentally solve the intractable diseases that plague Chinese descendants from the perspective of dispelling cold and preserving health. According to the special physique, internal organs, natural balance of Yin and Yang, essence of heaven, earth, sun and moon of the descendants of the dragon, starting with the treatment method of Treatise on Febrile Diseases, combined with the health-preserving wisdom of Huangdi Neijing, the unique skills of China's imperial doctors in treating diseases and the secrets that are easy to be realized by personal years of intensive research, he summed up a set of special effects maintenance methods, which are suitable for people of different genders, ages and constitutions.