Generally speaking, traditional Chinese medicine has a good expectorant effect, which is mainly used to eliminate phlegm or phlegm, and is often used to treat phlegm. Phlegm is transformed from body fluid. Body fluid is the normal physiological body fluid of human body, and phlegm is a conformal pathological product, which is mostly caused by exogenous wind, cold, dampness and heat. Phlegm includes wet phlegm and dry phlegm. Traditional Chinese medicine for resolving phlegm is a prescription drug for resolving phlegm, which has the function of resolving phlegm.