Swertia patens Burk. is a commonly used herbal medicine of the Yi nationality in Yunnan, China. It is widely used in the treatment of children with spastic abdominal pain, cholecystitis, and other diseases, mainly containing iridoid glycosides and ketone compounds. The highest and most significant pharmacological activity, with antispasmodic, analgesic, sedative, anti-inflammatory, liver-protecting, stomach-protecting, and other effects, is closely related to its effects of soothing the liver, clearing heat, and relieving stomach pain. As a very distinctive pediatric folk medicine, the related quality standards of Swertia patens Burk. have not been perfected, and the development of preparations is relatively lagging.