Nose like fire refers to the dryness and burning sensation in the nasal cavity, and the common causes are acute infectious inflammation of the nasal mucosa caused by bacteria and viruses, chronic rhinitis, and the air environment is too dry. 1. Acute infectious inflammation: if the nasal mucosa of bacteria or viruses invade, it will cause local inflammatory reaction, the early stage of infection will appear in the nasal cavity dry, burning sensation, should be timely use of antibiotics (penicillin, cephalosporin, etc.) or antiviral drugs to control the development of inflammation. 2.Chronic rhinitis Allergic rhinitis, due to a large number of sneezing, clear snot need to repeatedly wipe the nasal cavity, the physical stimulation of the nasal mucosa or secondary bacterial infection; long-term bad habits, such as long-term consumption of spicy, oily food, smoking and drinking, etc. caused. Adverse reactions to medication or treatment, such as after intranasal surgery, radiotherapy patients and so on. The above reasons will cause the decrease of secretion in the nasal cavity, causing dryness and burning sensation in the nasal cavity. 3. The air environment is too dry: if the air is too dry, the temperature is too high and so on, it will make the nasal cavity produce dry burning sensation. There may also be other reasons for the nose to spit like fire, it is recommended that the patient should go to the hospital in time to clarify the cause of the disease, under the guidance of the doctor for treatment.