【Objective】 To understand the morbidity and onset of asthma in children age,inductive factors,treatment status,in order to provide better scientific basis for management of childhood asthma. 【Methods】 A sample survey methods,had two steps:the first step suspected children with asthma were screened to get information,the second step:screening children with suspected had made clinical diagnosis of asthma,and the inductive factors and the treatment situation were understood in asthma children. 【Results】 By 10 805 screening questionnaires 622 cases were related to wheezing,540 cases of children were clinically diagnosed with asthma,5 cases cough variant asthma and 77 cases of suspected asthma in children.Cumulative prevalence of asthma was 5%,of which male and female prevalence rates were 6.22%,3.51% respectively.1 130 cases of allergic rhinitis,the prevalence rate was 10.46%,male and female prevalence rates were 12.37%,8.13% respectively.884 cases of eczema,prevalence was 8.18%,male and female prevalence rates were 8.85%,7.35% respectively.77.17% asthma age of onset was at 3 years of age.98.23% children with asthma had application of antibiotics in acute exacerbation of asthma,59.97%with inhalation therapy in acute exacerbation of asthma inhaled therapy to maintain remission of only 8.89%. 【Conclusions】 1)2010,Suzhou cumulative prevalence of asthma in children aged 0~14 is more than ten years ago.2)Onset of asthma in children over the age of 3 years of age.therefore,prevent asthma in the early.3)The majority of asthma treatment is not standardized,new knowledge,new drug must education in correct treatment for asthms.