例1男，11岁。无明显诱因出现发作性哮喘1年半就诊。发作时为哮喘样呼吸困难，伴干咳，无鼻塞、流涕，持续约90分钟，1～1．5个月发作1欢，无明显季节性。按过敏性哮喘多次给予强的松、博利康尼等治疗，无明显效果，有时未取抗过敏药也自行缓解。既往无癫痛史，无药物及食物过 Example 1 male, 11 years old. No obvious incentive to have episodic asthma 1 year and a half visits. Episodes of asthma-like breathing difficulties, with dry cough, non-nasal congestion, runny nose, lasted for about 90 minutes, 1 to 1.5 months attack 1 Huan, no obvious seasonal. According to allergic asthma repeatedly given prednisone, Boli Kang Ni and other treatment, no significant effect, and sometimes did not take anti-allergy medicine also relieve itself. No previous epilepsy history, no drugs and food too