There are always boogers in the nostrils and the nasal cavity is dry with crusts, which can be seen in the dry environment, atrophic rhinitis, nasal vestibulitis, etc., which can be treated by improving the working environment, lubricating medicines in the nasal cavity, saline rinsing, etc. respectively. 1. Environmental dryness: when the patient is in a dry climate for a long time or works in a dusty place, there will be the symptom of old boogers and crusts in the nose. Improve the working environment, can relieve the dry crust phenomenon. 2. Atrophic rhinitis: often secondary to chronic rhinitis, nasal surgery, etc., due to glandular atrophy, often with scabs. Saline nasal wash can be used to keep the nasal cavity clean, combined with compound peppermint nasal drops, vegetable oil, cod liver oil, etc., to lubricate the mucous membrane and soften the dry crust. 3.. Nasal vestibulitis: diffuse inflammation of the nasal vestibular skin, increased nasal secretions such as acute and chronic rhinitis, sinusitis, etc., nasal secretions stimulate the nasal vestibular skin caused by inflammation, the acute stage can manifest the nasal vestibule at the pain, cracking, localized scabs. It is recommended that patients seek medical attention in a timely manner to clarify the diagnosis and follow the doctor’s instructions for treatment. Drugs need to be used under the guidance of a doctor.