Dry heat in the nose may be physiological factors, may also be pathological factors, such as sinusitis, acute respiratory tract infections, etc., need to clarify the cause of the disease, and then targeted treatment. 1. Physiological factors: dry heat in the nose may be related to the environment and bad habits, often in the high temperature, dry environment, or inhale a lot of dust, and do not like to drink water, often smoking and drinking, etc., can be caused by the symptoms of dry heat in the nose. 2. Sinusitis: Sinusitis can lead to dry heat in the nose, because of inflammation in the nasal cavity, resulting in more mucus-like secretions in the nasal cavity, which may irritate the nasal mucosa when breathing, then dry heat, nasal congestion and other uncomfortable symptoms. 3. Acute respiratory infections: such as acute bronchitis, when the patient has difficulty breathing or over-breathing, the mucous membrane of the nasal cavity will be dry and hot, which leads to the symptoms of dryness and heat in the nose. In addition, it should be noted that, in addition to the above causes, there may be other causes of dryness and heat in the nose, and it is recommended to consult a doctor to find out in time.