Introduction:Asthma prevalence is increasing in all part of the world including Indonesia. This research to know asthma prevalence of 13–14 years old children in West Jakarta in 2008. To know relationship between asthma prevalence and wheeze, night cough, asthma in the last 12 months, physical exercise, atopy (rhinitis and eczema), history of breastfeeding in early life, and familial history …