Chongfentang Pharmacy. According to the query 39 Health Network, in the twelfth year of the reign of Emperor Yongzheng of the Qing Dynasty, Lei Dasheng, a famous doctor from the Wu family, set up Songfentang Pharmacy outside Changmen, Suzhou, and founded Lei Yunshang. The famous doctor Lei Yunshang sat in the hall to practice medicine and prepare prescriptions. In the twelfth year of the reign of Emperor Yongzheng of the Qing Dynasty, it was a unique and new model, and it was famous for its refined pills, powders, ointments and elixirs.