Depending on whether the phlegm is cold or hot, Chenpi can be boiled with Baiqian, Zhenbeimu or Zisu Zi to dissolve phlegm and relieve cough, the efficacy of which varies from person to person, so it is recommended to go to the hospital. 1. Cold phlegm: For cold phlegm, the treatment should be warming cold phlegm, you can use white before, half-summer and other Chinese herbs. Baiqian has the function of lowering qi, eliminating phlegm and relieving cough; Hanxia has the function of drying dampness and resolving phlegm (expelling dampness by drying dampness and dissolving phlegm), lowering the rebelliousness and stopping vomiting (stopping the upward flow of gastric qi and stopping vomiting); however, Hanxia should not be used by those who are allergic to the drug or those who are suffering from heat syndrome. 2. Hot phlegm: For hot phlegm, treatment should focus on clearing heat and resolving phlegm, and traditional Chinese medicines such as Zhebeimu and almonds can be used. Zhebeimu has the function of clearing heat, resolving phlegm and relieving cough; almond has the function of lowering qi, relieving cough and calming asthma, which is useful for wind-heat or phlegm-heat cough, phlegm, shortness of breath and asthma, etc. However, it should be used with caution for those who are allergic to the medicine and those who have cold symptoms. Pericarpium Citri Reticulatae is a qi medicine, which can regulate qi, strengthen spleen, dry dampness and dissolve phlegm, and should be used with caution for those who are allergic to the medicine. Chenpi and the above medicines together play a role in relieving cough and resolving phlegm. If you have the above symptoms, please go to the regular hospital in time, do not self-medication, so as not to delay the condition.