Ototherapy originated in that dynasty.
There are detailed records in the book Huangdi Neijing Lingshu Five Evil, which was written in the Warring States, Qin and Han Dynasties. In addition, the silk book Yin-Yang Eleven-Pulse Moxibustion Sutra unearthed from No.3 Han Tomb in Mawangdui, Changsha, Sun Simiao's Prescription for Emergency Use, and acupuncture and moxibustion in Ming Dynasty are all recorded. Proof: Ototherapy was formed in the Warring States Period, Qin and Han Dynasties, and originated in or before the Warring States Period.