Wu Guozhong, a health housekeeper, is known as "the most expensive doctor in Beijing"; He is the author of Kong Bohua's Medical Records of Four Famous Doctors and Clinical Teaching of Treatise on Febrile Diseases in Wu Guozhong. Huangdi Neijing Manual and Immortality —— The Secret Biography of China's Health Preservation and Disease Treatment are two recent bestsellers. Wu Guozhong is a descendant of the three traditional health preserving schools in China. Master of modern health care, president of Taoist Association after liberation, great-grandson of Mr. Chen Yingning, founder of modern immortal health care, and disciple of Mr. Hu Haiya, a contemporary immortal health care master, a famous Chinese medicine and acupuncture master. Wu Guozhong followed Hu Haiya for many years, studying the traditional culture of China, focusing on immortal health, traditional Chinese medicine, Wudang ancient method of Tai Ji Chuan, Taoist acupuncture and so on. At the same time, Wu Guozhong is also the daughter of Wang Xiangzhai, the founder of the famous health care master Yi Quan (Dacheng Quan), and a disciple and adopted son of Wang Yufang, a descendant of the imperial court. He also studied with Mr. Liao Houze, a disciple of Mr. Zhou Qianchuan, a master of Emei Dan medicine school, and learned the "Dafang pulse" of Dan medicine. Thirdly, I visited Mr Peng Xianguang, a descendant of Liao Fuyang's Gao Zhenguan, to learn the refining method of Jia Dan Waidan, and to visit the secret biography of the round Dan method, which is a dream of Dan Taoism. At present, Wu Guozhong is a rare expert in traditional Chinese medicine who combines the essence of three schools of traditional health care in China, namely, immortal health care, Dan Dao health care and martial arts health care.