【Objective】 To investigate awareness of parents about the symptoms, healthcare uses and management of asthma in children in Xi'an. To explore the effect of appropriate behavioral interventions. 【Methods】 Questionnaires investigation was performed from the outdoor asthmatic children and their parents of Second Hospital of Xi'an Jiaotong University. Asthma was diagnosed in the children and observed asthmatic children more than six months. 【Results】 1) It was investigated that asthma diagnoses in children after(2.3 ± 1.6) years of the first wheeze that might be happened at the age of(5.1±3.7) years. Allergic rhinitis, eczema and inheritance asthma were shown by 50.8%, 50.6% and 25.5% of the patients respectively. 2)Current use of inhaled corticosteroid combined with β2 agonists for acute asthma was reported by 51.7% of parents, 39.6% liked just corticosteroid, 20.6% preferred oral leukotriene and 13.7% utilized allergic drugs. The reasons of parents did not select long-term control of asthma drugs: 60.3% were worried about impact on growth, 22.4% were worried about dependence on drugs. 3)After behavioral interventions, the scores of asthma related knowledge, attitude and behavior of parents with asthma children were significantly improved(P>0.01). 【Conclusions】 After long term education and management, parents of children with asthma understand the inflammatory nature of asthma, symptoms of asthma attack, induced factors and self-treatment of asthma very well. But many parents of asthmatic children have error knowledge in diagnosis and treatment of asthma. Behavior intervention can improve parental asthma related knowledge, attitudes and behavior level.