Sore nose may be caused by upper respiratory tract infection, allergic rhinitis, sinusitis and other diseases, can not be sour through the nose to determine what is the precursor of the disease. 1. Upper respiratory tract infection: due to patients with upper respiratory tract infection, the nasal mucosa is more sensitive, stimulated by inflammation is prone to soreness of the nose, may be accompanied by runny nose, cough, fever and other symptoms. 2. Allergic rhinitis: patients suffering from allergic rhinitis, the internal nasal cavity is more sensitive. Due to the allergen inhalation in the nasal cavity leads to an allergic reaction in the nasal cavity, the patient may have a feeling of soreness in the nose, accompanied by symptoms such as itchy nose and sneezing. 3. Sinusitis: Sinusitis, caused by poor discharge of sinus secretions or swelling in the cavity, may also lead to symptoms of sore nose. There are many reasons for sore nose, you should go to the hospital in time, please ask the doctor for a clear diagnosis, so as not to delay the condition.