Dr. zhang, Guangzhou University of Chinese Medicine. He has served as instructor of Chinese Medicine Society of China Medical University, lecturer of Chinese Medicine Society of Sun Yat-sen Medical University, dean of Taichung Jisheng Chinese Medicine Hospital and supervisor of Taichung Chinese Medicine Society. Zhang comes from a family of Chinese medicine practitioners who have been practicing medicine for over 20 years. Because of the protection of Chinese medicine, no one in the family has cancer, and the average age is over 80 years old. As a fifth-generation descendant, he has a century-old ancestral medical wisdom. He is the author of "five generations of Chinese medicine life-saving health stickers" and so on.