There is no such thing as Er Chen Pills to completely eradicate phlegm, only symptomatic treatment can get good results. Er Chen Pills can be used to treat coughs caused by stagnation of phlegm and dampness, but whether it can be completely eradicated is mainly determined by the patient’s condition, and it is recommended to follow the doctor’s instructions to use the medicine. Er Chen Pill is composed of Chen Pi, Semixia, Poria, Glycyrrhiza, Ginger and so on. It has the effect of drying dampness and resolving phlegm (removing phlegm from the body with dampness-drying drugs), regulating qi and harmonizing the stomach. It is used for cough with excessive phlegm, chest and epigastric distension, nausea and vomiting caused by stagnation of phlegm and dampness. It should be noted that, avoid smoking, alcohol and spicy, cold, greasy food; should not take tonic Chinese medicine at the same time during the period of medication; lung yin deficiency due to dry cough is not applicable; take the medicine for 7 days without symptomatic relief, should go to the hospital for consultation. Chinese medicine treatment focuses on evidence-based treatment, individualized medication, such as cough, phlegm and other discomforts, it is recommended to go to a regular hospital, so as to avoid the wrong medicine, delayed condition.