Nasal cavity always have yellow crust may be vestibulitis, dry rhinitis, sinusitis, etc., can be improved by drugs, surgery, and with daily care. 1. Nasal vestibulitis: If the yellow crusts in the nasal cavity are caused by nasal vestibulitis, you can use 3% hydrogen peroxide solution, sulfathiazole ointment, zinc oxide ointment and other medications for relief. Avoid eating foods that cause allergies or contact with allergens, and if necessary, assist infrared radiation and other physical therapy to promote skin healing. 2. Dry rhinitis: If there are yellow crusts in the nasal cavity because of dry rhinitis, you can use compound menthol nasal drops, cod liver oil nasal drops and other drugs to moisturize the nasal cavity, and use physiological seawater nasal spray to rinse the crusts in the nasal cavity. At the same time to improve the living environment, keep the nasal cavity moist, eat more fresh fruits and vegetables. 3. Sinusitis: If there is a yellow crust in the nasal cavity because of sinusitis, you can use glucocorticosteroids such as budesonide nasal spray; saline rinse crust; oral nasal abyssal oral solution, rhinitis tablets, Xinqinqin granules (tablets), rhinitis capsules, etc.; oral clarithromycin and other macrolide antibiotics, anti-inflammatory, immunotherapy. Surgery can be used if conservative treatment is not effective. If there are always yellow crusts in the nasal cavity, it is recommended to actively seek medical advice, after a clear diagnosis and cause of the disease, follow the doctor’s instructions to standardize the use of medication and treatment, do not self-medication.