Cough, sore throat, this is a symptom caused by excessive lung and stomach heat. Because the throat is directly connected to the lung and stomach, the lung and stomach heat will rush to the throat, so the throat is red, swollen, ulcerated and painful. The lung and stomach are full of heat, and the body fluid is refined into phlegm, so there is yellow phlegm. Clinically, Huanglian Shangqing Tablet, Huanglian Jiedu Decoction and Liushen Pill are generally taken orally. Clearing away heat and toxic materials, purging fire and clearing throat. Spray medicine locally on the throat, such as Zhuhuang powder and Bingboron powder. Reduce swelling and relieve pain.