Method: 415 cases of allergic rhinitis were treated with self-made needle and injected triamcinolone acetonide to block the sphenopalatine ganglion through mouth cavity.

• 方法:变应性鼻炎患者415例,男270例,女145例。用自制封闭针头于口腔径路行曲安奈德蝶腭神经节封闭术。