Its medicinal wing Songyuan is a traditional precious Chinese patent medicine and a national first-class protected Chinese medicine variety. Its formula and technology are protected by the state's top secret, and its production technology has been included in the "National Intangible Cultural Heritage List". By July 20, 2022, it was officially declared as traditional Chinese medicine and non-health care products. Pteris Songyuan is a compound preparation, which has the effects of clearing away heat and toxic materials, cooling blood and removing blood stasis, and relieving swelling and pain. It is mostly used for acute and chronic viral hepatitis, carbuncle, furuncle, nameless toxic swelling and traumatic injury caused by heat toxin and blood stasis.