What role do loquat leaves and wampee leaves play in boiling pig lungs?

Efficacy and function of loquat leaves;

Loquat leaves taste bitter, pungent and cold; Enter lung, heart and stomach meridians. Clearing lung-heat, relieving cough, regulating stomach, lowering adverse flow and quenching thirst. Main lung heat and phlegm cough; Cough due to yin deficiency; Cough up blood; Bleeding; Stomach heat vomiting.

1. Clearing lung and resolving phlegm: Bitter cold can clear lung heat, reduce lung qi and relieve cough, and is often used to treat cough caused by lung heat and phlegm yellow.

2. Regulate stomach and reduce adverse reactions: it can reduce stomach qi and stop vomiting, and is used for vomiting caused by stomach heat.

3. Quench thirst: it can cure dry mouth and thirst, lung wind and facial sores and acne.

Efficacy and function of peony bark;

Xin; Bitter; Warm. Dispelling wind and clearing heat; Eliminating dampness and detoxifying; Stop malaria. Main cold and fever; Cough and asthma; Diarrhea and dysentery; Rheumatoid edema; Urinary tract infection; Eczema; Scabies; Furuncle; Snake wound.

Efficacy and function of pig lung;

Pig lungs are sweet and flat, and enter the lung meridian; Has the effects of tonifying deficiency, relieving cough and stopping bleeding. Can be used for treating cough due to lung deficiency and chronic cough and hemoptysis.