Nasal cavity often dry with booger crusts may be atrophic rhinitis, dry rhinitis, nasal vestibulitis and other factors. 1. Atrophic rhinitis: if the nasal mucosa undergoes progressive atrophy, it may lead to dryness of the nasal cavity and throat, bleeding and crusting in the nasal cavity, and if pus and crusts accumulate in the nasal cavity, it may also lead to nasal congestion and olfactory impairment. 2. Dry rhinitis: If the air in the living, or working environment is too dry, it may stimulate the nasal mucosa and produce inflammation, which will lead to dryness of the nasal cavity, nasal erosion, crusting, bleeding and other symptoms. 3. Nasal vestibulitis: If nasal secretions repeatedly stimulate the nasal vestibular skin, it may produce inflammatory reaction, which leads to dryness of the nasal vestibular skin, pain and itching, skin erosion and other symptoms, erosion healing, there may be scabs. If the nasal cavity is often dry with booger crusts, you should actively consult a doctor and have a systematic examination to clarify the cause of the disease.