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气道过敏性疾病对肺功能的损伤多发生于儿童期,且增加未来发生慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)的风险.儿童气道过敏性疾病患病率逐年上升,且病情易反复发作.婴儿期肺功能的降低先于儿童期哮喘发生出现,及儿童期哮喘可持续至青少年甚至成年期,肺功能受损亦始于生命早期并持续存在.儿童变应性鼻炎患儿肺功能亦有损伤,而合并变应性鼻炎可影响中重度哮喘患儿肺功能的恢复.肺功能检测可了解儿童肺部生长发育的轨迹及疾病对肺功能的影响.肺通气功能检测是评价哮喘控制状态及缓解状态十分重要的指标,同时变应性鼻炎患儿存在不同程度的肺通气功能损害.“,”The damage of pulmonary function starts early in children for airway allergic diseases and increasing the risk of chronic obstructive pulmonary disease (COPD).The prevalence of airway allergic diseases in children is rising year by year,and easily recurrent on-set.It is clear that low lung function in infancy can precede the development of subsequent asthma in childhood and childhood asthma may persist to teenagers and even in the adults and the impairment of pulmonary function also starts early in life and continue to exist.Children with allergic rhinitis suffer from impaired lung function.Allergic rhinitis may impact the recovery of pulmonary function testing after moderate/severe asthma exacerbation in children.Pulmonary function testing can be used to determine the growth and Trajectory of children lung function and the effect of diseases.Pulmonary function testing is an important index to evaluate the status of asthma control and remission,meanwhile,children with allergic rhinitis suffer from impaired lung function to varying degrees.