Cough with yellow phlegm can drink flower tea, but still need formal treatment, tea does not have a therapeutic effect. If the symptoms of cough with yellow phlegm, you can drink flower tea. Especially when the cough symptoms are more intense, drink more water can relieve the pain and discomfort in the throat area, while speeding up the metabolism, to promote the recovery of colds. But still need to carry out scientific treatment, tea does not have a therapeutic effect. You need to consult a doctor in time for lung X-ray, blood test, etc., to clarify whether it is combined with pneumonia and other diseases, and take timely treatment at the same time. It is recommended to seek timely medical treatment, not to tea water instead of medication.