Nasal exhalation is hot may be due to physiological conditions after exercise or drinking hot drinks, while pathological conditions are usually caused by lung heat, because the lung opens the orifices in the nose; lung heat can be caused by solid heat in the lungs or by lung yin deficiency. 1. Lung solid heat: caused by solid fire in the lungs, its symptoms usually manifest as hot air coming out of the nose, coughing, coughing and spitting up yellow phlegm, dry throat and thirst, headache and fever, yellow urine, dry stools, red tongue with yellow fur, and floating pulse. It can be treated with Blue Baicalin Oral Liquid or Qingkailing Oral Liquid. 2. Lung deficiency heat: deficiency heat caused by deficiency of yin and fluid in the lungs, which usually manifests as dry nose and mouth with hot breath, dry cough, no phlegm, dry mouth and throat, thirst, scanty urination, constipation, red tongue with little moss, and fine pulse (pulse becomes narrow and thin and accelerates in rate). It can be regulated by Lily Solid Gold Soup or Clear Dryness and Lung Rescue Soup. If you have hot breath from the nose, you should go to the hospital in time, and let the doctor identify the symptoms and use medicines, don’t use medicines on your own, so as not to miss the condition.