Itchy nose always want to rub the nose, consider and allergic dermatitis, seborrheic dermatitis and other diseases related. It is recommended to do a good job of local care, if necessary, given antihistamines, immunosuppressants, antibiotics, antifungal drugs treatment. 1. Allergic dermatitis: contact with pollen, dust mites, animal dander, willow flakes in the air, cosmetics and so on, may cause allergies, resulting in local itching. It is recommended to find and detach from the allergens, pay attention to local moisturizing, and give drugs such as loratadine and cetirizine when necessary, which can help relieve symptoms. 2. Seborrheic dermatitis: Seborrheic dermatitis can occur in the seborrheic areas, can also occur in the nose, resulting in local itching. Immunosuppressive drugs such as pimecrolimus and tacrolimus ointment may be given. In case of fungal infection, miconazole, ketoconazole, econazole cream or cream may be given. If accompanied by bacterial infection, it can be treated with erythromycin ointment, fusidic acid cream topical application. Nose always itchy, always want to rub the nose, may be caused by the above factors. It is recommended not to blindly use drugs, first to the hospital for examination, and then combined with the doctor’s advice treatment.