Asthma causes a large impact on quality of life of patients, their families and society. The success of treatment depends very much on the involvement of patient parents in the practice of drug therapy. Objective: Assess practise skill of parents of pediatric patients with asthma about the characteristics of asthma, treatment, prevention of asthma before and after counseling. Methods: prospective study intervention by interviews and observation skills bronchodilators spray and prevention of 92 parents have a child with asthma who were treated in pediatric respiratory department of SaintPault hospital from 1/3/2010 to 30/9/2010. Results: percentage of parents of asthmatic patients who know about asthmatic level before consulting was 7.1 percent, and after cousulting was 25.7 percent. Correct spray using before the consulting was 67.1 percent, after consulting was 88.6 percent. Conclusion: Knowing about asthma is very difficult for patient parents if only after consulting one time. To help patients and their parents how to use preventive medications and physicians need to take advice and guidance many times.