1, Wenchang Sign: According to legend, Wenchang Sign was made by one person in the Tang Dynasty, based on the Yellow Calendar.
2. Wudang Sign: The Taoist priest of Wudang Mountain in Ming Dynasty collected the essence of Taoist scriptures. After years of development, it has formed the present Wudang symbol.
3. Post sign: The post sign originated in the Tang Dynasty. It is a sign used to predict a person's fate and a traditional form of divination culture.