People with high lung fire often have a dry mouth, dry tongue, hot breath and hot breath, and because there is fire in the organism that cannot escape, when the outside temperature is low, it is extremely easy to feel wind and cold, which is commonly known as internal heat and external sensation, followed by fever, cough, coughing yellow sputum, sticky and not easy to cough up, red tongue, yellow moss, dry stool, yellow urine and other symptoms. Chinese medical theory classifies it as a lung-heat cough. People with high lung fire can clinically eat more white foods because white goes into the lungs to clear them, such as lilies, almonds, white radishes, etc. In Chinese medicine, you can also make mulberry leaf tea, chrysanthemum tea or purple yuan tea, etc. to clear the lungs and dissolve phlegm. People with high lung fire are not suitable to eat spicy stimulating and thick greasy food, such as longan meat, cinnamon, or old hen ginseng, etc., after eating these foods, will aggravate the symptoms of lung fire.