According to historical records, during the Guangxu period of the Qing Dynasty, Eight-Nation Alliance invaded the capital, and Cixi suffered from back sores (ichthyosis) on the way to the west. After searching for various drugs, she was cured and she became famous all over the world. At that time, together with Yunnan Baiyao and Luzhou Pien Tze Huang, she was called the first of the three wonders of China and became a prominent official, wealthy businessman and scholar. Handmade, the technology is complex, the output is limited, and seriously ill patients can only look forward to medicine and sigh, so there is a folk saying that "gold is easy to get, medicine and ink are hard to find". This medicine is exported overseas and is still widely circulated in Southeast Asia.