Why was the Han Dynasty called a fortune teller?

This occupation is the differentiation of other occupations. In Shang Dynasty, fortune tellers were generally called "witches". It should be that from ancient times to Shang Dynasty, a special official post appeared in Zhou Dynasty, which was later changed to Taibu and remained in use until Tang Dynasty. Taifu was a subordinate of Taichangqing, one of the nine Qing Dynasties in Han Dynasty. Tai Chang Temple in the Tang Dynasty was set up with Tai Bu-ling, the highest official of Tai Bu-ling. His adjutants are called Taifucheng, Zhengjiupin and Dr. Bu. Since the ninth grade. Subordinates are Buzheng, Bushi, Witch, Witch, Doctor Bu, Busheng and Shusheng.

Of course, there are alchemists in the wild who can also do divination.