Blowing the air conditioning nose itchy sneezing due to allergic rhinitis, vasomotor rhinitis, feasible general treatment, drug therapy and other treatments. 1. Allergic rhinitis: (1) General treatment: wear a mask and regularly clean indoor hygiene, clean the air conditioning filter. Stay away from dust, dust mites and other possible allergens, and sunbathe regularly. (2) medication: intranasal glucocorticoid drugs with anti-inflammatory effect, can relieve the symptoms of itchy sneezing, commonly used fluticasone propionate and other nasal sprays. Joint oral second-generation antihistamines, such as loratadine. Nasal rinsing treatment. (3) Desensitization therapy: if allergic to dust mites, desensitization therapy is feasible to increase tolerance to allergens, including sublingual and subcutaneous injections. 2. Vasomotor rhinitis: (1) General treatment: avoid triggering factors, air-conditioning temperature should not be too low, avoid rapid temperature changes. (2) medication: intranasal use of mometasone furoate, budesonide and other hormonal nasal sprays anti-inflammatory, anti-oedema, to relieve symptoms. Anticholinergic drugs such as ipratropium bromide can also be used locally to relieve the symptoms of nasal itching and sneezing. It is recommended that patients seek medical attention to clarify the cause of the disease, and actively treat the cause of the disease, the above drugs should be used in accordance with medical advice.