From the perspective of traditional Chinese medicine, a cough with thick yellow tongue coating is usually caused by phlegm-heat congestion of the lungs and requires standardized treatment as prescribed by the doctor. Such patients often also manifested as recurrent cough, cough sound heavy, phlegm sound in the throat, phlegm, cough due to phlegm, phlegm coughing, phlegm sticky or thick yellow, sputum, sometimes accompanied by a fishy odor, chest tightness and abdominal distension, body fatigue, yellow urine, loose stools, the tongue is red, the pulse is slippery and other symptoms. The treatment of phlegm-heat and lung congestion is based on clearing heat and resolving phlegm, purging the lungs to stop coughing, and the prescription can be based on the identification of the symptoms, such as choosing clearing gold and resolving phlegm soup or Sang Bai Pi Tang to regulate the soup. If the patient has a thick yellow tongue, cough symptoms, it is recommended to go to the hospital in a timely manner to actively treat, under the guidance of the doctor for medication, do not self-medication, so as not to delay the condition.