Pei Pa Lo consists of herbs ingredients Bulbus Fritillariae Cirrhosae (Chuanbemu), Folium Eriobotryae (Pipaye), Radix Stemonae (Baibu), Radix Peucedani (Qianhu), Radix Platycodonis (Jiegeng), Cortex Mori (Sangbaipi), Mentholum (Bohe).

The cough syrup is for those cough due to wind-heat (due to aspiratory imflammation), dry cough, swollen sore throat, it reduces phlegm, where the symptoms are often be seen in common cold and bronchitis.

Counter flow qi causes cough, cumulate saliva becomes phlegm and profuse sputum. It is important to clear the heat and disperse the wind in lung, dissolve phlegm and suppress cough. Pei Pa Lo can clear lung and suppress the pathogenic heat, nourishing the lung in treating cough caused by to protect yin consumptive disease.