Hello. Among them, Astragalus membranaceus and Atractylodes macrocephala are qi-invigorating drugs, Saposhnikovia divaricata is exterior-relieving drugs, which have the effects of expelling wind, relieving exterior, eliminating dampness and stopping spasm; Rhizoma Osmundae and Flos Lonicerae are heat-clearing and detoxicating drugs, and Eupatorium odoratum is dampness-removing drugs, which have the effects of eliminating dampness by fragrance, relieving summer heat, strengthening spleen and stimulating appetite. Chenpi is a medicine for regulating qi, which has the effects of regulating qi, eliminating dampness and resolving phlegm.