Nasal agitation is also known as “nasal flaring”. It is a manifestation that the nose is agitated due to shortness of breath. It is often seen in cases of phlegm-heat congestion, lung qi stagnation, or critical cases where the source of lung qi is about to be eliminated. Nasal incitement is a common symptom of pneumonia, often with fever, cough, shortness of breath, nasal incitement as the main symptoms of common pediatric respiratory diseases. It belongs to the categories of Chinese medicine, such as wind temperature, cough and asthma, pneumonia, cough and asthma, and spleen wind. Clinical manifestations show the severity of the disease and different, light only mild fever, cough, shortness of breath, sputum thin, slight nasal incitement; heavy restlessness, wheezing, breathing moan, shallow fast, nasal incitement, three concave sign, lips and nails bruising, or drowsiness and depression, grayish, heart failure, convulsions, and so on. According to Chinese medicine, when evil heat or other diseases are caused by external infection, the evil heat enters into the interior of the body, transforming heat into fire, refining liquid into phlegm, blocking the airway with phlegm, and paralyzing the lungs, it can manifest as coughing, phlegm, shortness of breath, and nasal incitement. If the evil sinks into the heart and liver, there can be confusion, delirium, convulsions, wind; into the camp to move the blood, then see the vomiting of blood, skin ecchymosis and other symptoms, and to the heart of the internal loss of qi, the heart of the yang is not vibrant, that is, to see the signs of violent off. Western medicine believes that this disease is caused by infection with bacteria, viruses, mycoplasma, so there are different types of pneumonia.