Nourishing yin and moistening lung: Sydney and sea coconut are rich in water and vitamins, which can moisten lung, moisten dryness and clear heat. Bulbus Fritillariae Cirrhosae, Lily and Ophiopogon japonicus can nourish yin and moisten lung, and Bulbus Fritillariae Cirrhosae has a good therapeutic effect on cough due to yin deficiency and lung dryness.

Cough-relieving and phlegm-resolving: Sydney and sea coconut contain many elements such as ursolic acid, which can clear away heat and phlegm, and have a good therapeutic effect on fever, body fluid injury, upset and thirsty, lung dryness and dry cough; Fritillaria cirrhosa has the functions of clearing away heat, relieving cough and resolving phlegm, while Lily and Ophiopogon japonicus nourish yin and moisten lung, relieve cough and resolve phlegm, which has a good therapeutic effect on cough with excessive phlegm.