There is no so-called secret formula to resolve phlegm. Generally speaking, to resolve phlegm, Chinese medicines such as Qingqi Huo Phlegm Pills and Er Chen Pills can be used. 1. The efficacy of Qing Qi Hua Phlegm Pill is to clear the lungs and resolve phlegm (clearing lung heat and resolving phlegm). It is used for treating cough with excessive phlegm, yellow color and sticky, fullness in chest and abdomen caused by phlegm-heat obstructing the lungs. Its composition includes Scutellaria baicalensis, Semen xia, Gallus gallus and other herbs. Adverse reactions and contraindications are not clear. During the period of taking the medicine, abstain from smoking and alcohol, and avoid eating spicy and greasy food. 2. The efficacy of Er Chen Wan is to remove phlegm by drying dampness, to regulate qi and harmonize the stomach. It is used to treat cough with excessive phlegm, nausea and vomiting, and distension of the chest and epigastric region. Its composition includes Chen Pi, Pinellia, Poria and other traditional Chinese medicines. Adverse effects and contraindications are not known. Avoid eating spicy and greasy food during the period of taking the medicine. The above drugs need to be used under the guidance of a doctor. When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the doctor’s guidance, not self-medication.