What kind of tea is effective for drinking phlegm is still inconclusive. You can take Chinese medicines such as phlegm-eliminating and asthma-relieving tablets and tangerine red pills. 1. The efficacy of the tablets is to clear away heat and dissolve phlegm, stop coughing and asthma (stop coughing, calm wheezing). It can be used clinically to treat symptoms of cough and phlegm, chest tightness and shortness of breath arising from acute and chronic bronchitis and emphysema. Its composition includes Nansha Ginseng, Dilong, Baibei and other traditional Chinese medicines. Adverse effects are not clear, and it is contraindicated in children and pregnant women. 2. The efficacy of Tangerine Red Pill is to clear the lungs and resolve phlegm (clearing heat from the lungs and dissolving phlegm) to relieve cough. It can be used clinically to treat cough with phlegm-heat, phlegm with yellow color, sticky texture and chest tightness. Its composition includes tangerine red, tangerine peel, half-summer and other herbs. Adverse reactions and contraindications are not clear, and it is not suitable for people with qi deficiency cough and yin deficiency dry cough. The above drugs need to be used under the guidance of a doctor.