There are many proprietary Chinese medicines used in the treatment of phlegm and cough, such as Disperse Phlegm Syrup, Er Chen Pill and Chen Xia Liu Jun Zi Pill. Dispersing phlegm syrup has the effect of clearing the lung, relieving cough and calming asthma; Er Chen Wan has the effect of drying dampness and resolving phlegm (removing phlegm in the body with dampness-drying medicines), regulating Qi and harmonizing the stomach; and Chen Xia Liu Jun Zi Wan has the effect of tonifying the spleen and strengthening the stomach, and resolving phlegm by regulating Qi in the body to dissolve phlegm. 1. Syrup of Dispersing Phlegm, composed of Platycodonopsis, Polygala, Morus alba, Ephedrine Hydrochloride and so on. It is used for bronchitis, coughing and phlegm. Patients with chronic diseases such as liver disease, diabetes mellitus and renal disease should take it under the guidance of physician. 2. Er Chen Pill, composed of Chen Pi, Semen Cassia, Poria, Glycyrrhiza and so on. It can treat cough caused by stagnation of phlegm and dampness, symptoms include cough with excessive phlegm, white color and easy to cluck, chest and epigastric constriction, nausea and vomiting, drowsiness of limbs, dizziness and palpitation, white or greasy tongue coating, and slow pulse. 3. Chen Xia Liu Jun Zi Pill, composed of Codonopsis, Atractylodes macrocephala and Poria. It is used in treating weakness of spleen and stomach, poor digestion, abdominal distension and chest tightness, deficiency of Qi and phlegm, etc. Avoid spicy, cold and raw food. Avoid spicy, cold, greasy and indigestible food; not applicable to atrophic gastritis with clear diagnosis; not applicable to those with dry mouth and tongue and dry stool. If you need to take the above drugs, you should be under the guidance of a doctor for scientific treatment.