Take Lianshengtang as an example, there are more than 20 kinds of traditional Chinese medicine decoction pieces in Lianshengtang, including licorice, chrysanthemum, houttuynia cordata, radix Pseudostellariae, pueraria lobata and gastrodia elata, each of which has different functions. There are also some mature prescriptions, such as Radix Puerariae pieces and Rhizoma Gastrodiae pieces, which can relieve dizziness and headache caused by cervical spondylosis. Radix Puerariae decoction pieces and Radix Astragali decoction pieces are used for invigorating qi and consolidating exterior, and are used for sweating and night sweats caused by various deficiency diseases; Glycyrrhiza uralensis Fisch+Platycodon grandiflorum, dispersing lung and relieving sore throat, resolving phlegm and relieving cough; There is also an anti-fog prescription licorice decoction pieces+houttuynia decoction pieces to solve smog and smog poisoning.