Dry and itchy nose sneezing with blood crusts may be dry rhinitis, nasal vestibulitis, as well as nasal septum deviation, allergic rhinitis and other reasons, you can choose to improve the environment according to the specific circumstances, medication or surgical treatment and other ways to improve. 1. Dry rhinitis: patients living in a dry environment or in a dusty place for a long time may lead to dry rhinitis, patients will have dry nose itching and sneezing with the symptom of blood crusts, it is recommended that patients improve the living environment, open the window more air, maintain indoor temperature and humidity. 2. Nasal vestibulitis: patients with long-term bad habits such as nose picking, damage to the skin mucosa of the nasal vestibule, there will be a dry itchy nose sneezing with symptoms of blood crusts, you can choose antimicrobial drugs to inhibit bacterial growth and reproduction, such as polymyxin B ointment and so on. 3. Deviated nasal septum: When patients suffer from deviated nasal septum, the symptoms of dry itchy nose and sneezing with bloody scabs will appear, and surgery can be chosen to correct them. 4. Allergic rhinitis: allergic rhinitis can appear nose itching, sneezing and blood crust performance, can follow the doctor’s instructions for anti-allergy treatment, such as local glucocorticoid nasal spray, oral antihistamines and anti-leukotriene drugs. When the patient has a dry itchy nose sneezing with blood crust symptoms, it is recommended to go to the hospital in time for examination and diagnosis, and under the guidance of the doctor for medication and treatment, do not unauthorized use of medication, so as to avoid adverse consequences.