Budesonide nasal spray is a commonly used nasal glucocorticoid in clinical practice, mainly for the treatment of allergic rhinitis, as well as in some post-operative, nasal spray treatment. Budesonide nasal spray is clinically used in people over 6 years of age. When nasal spray is used, the nose is usually sprayed with crossed hands, that is, the left hand is sprayed on the right side and the right hand is sprayed on the left side. The general treatment is 2 sprays in 1 day, 2 sprays in 1 time, the duration of treatment, nasal spray is at least 1 month or more. With the control of the disease and the reduction of the disease, after 1 month can reduce the number of sprays and the amount of spray, or even spray 1 time every other day is possible.