Xuchang, located in the central hinterland of China, is the first of China's three "medicine capitals" (Chinese herbal medicine). It is no exaggeration to say that Xuchang is the center of traditional Chinese medicine in the world. Xuchang, as one of the birthplaces of traditional Chinese medicine, has a long history. This is the hometown of Sun Simiao, the "king of medicine", which has a deep ori...