What is asthma in children? Based on definition of Scadding and Godfrey clinic experience, the asthma in children is the disease that signed by large type in short time period than the air flow obstruction in lungs breath channel that manifested as the repeat attack of cough or asphyxiate that separated by interval of free symptom.

What are the changes? There are some changes in the diameter diminution of breath channel, some respond changes in breath channel muscle, some autonomy serves obstruction into the smooth muscle in respiratory channel and the damaging of the mucosa epitel cell in respiratory channel.