Yaoxing Lun

Yaoxing Lun (Yao-hsing Lun; simplified Chinese: 《药性论》; traditional Chinese: 《藥性論》; pinyin: Yàoxìng Lùn; Wade–Giles: Yao⁴-hsing⁴ Lun⁴), literally Treatise on the Nature of Medicinal Herbs, is a 7th-century Tang Dynasty Chinese treatise on herbal medicine.