Cough with yellow tongue still belongs to the category of cough disease in Chinese medicine. Yellow tongue in cough is mainly seen in wind-heat syndrome, phlegm-heat syndrome, liver-fire syndrome. In addition, the physiological coloring of the moss can also be seen yellow tongue. 1. Wind-heat syndrome: common symptoms include severe cough, dry and sore throat, yellow and thick sputum, accompanied by yellow nasal discharge, thirst, and thin yellow tongue coating. The mechanism of the evidence is wind-heat offending the lungs (wind-heat evil invading the lungs), and the treatment is to remove wind and clear heat. The treatment is to remove wind and clear heat. Sang Ju Drink can be used to add or subtract. 2. Phlegm-heat syndrome: Symptoms include cough, thick and yellow phlegm, hot and fishy phlegm, red and red face, and thin and greasy tongue coating; the treatment is to clear heat and purge the lungs to stop coughing. The treatment is to purge heat from the lungs and stop coughing. It can be regulated by Qing Jin Hua Phlegm Tang. 3. Liver fire syndrome: Symptoms include cough paroxysm, dry throat and bitter mouth, chest, hypochondriac and rib pain, symptoms increase or decrease with emotions, and red tongue with yellow fur. The mechanism of the evidence is liver depression and fire (liver qi is impassable leading to the production of fire and heat), the treatment is to clear the liver and cathartic fire (to remove liver fire), can be used to diarrhea white powder plus Dai Clam Powder plus subtractive treatment. 4. Physiological moss staining: Cough oral Chinese medicine soup, there will be moss staining and see the tongue yellow, or drink drinks will also appear temporary tongue changes. Cough tongue coating changes, can not be self-relief, should be identified in the Chinese medicine practitioner, timely adjustment of medication, standardized treatment.