Pre-school wheeze is a common respiratory disorder among children with significant morbidity if under-recognized and undertreated. Having said that, diagnosis and diagnosis difficulties in pre-school children with wheeze still remain unclear. Numerous changing diagnostic labels have been applied to these children over the years. Bronchodilators and inhaled corticosteroids are still the mainstay of treatment modalities for these group of children. This presentation will explore on the current evidence and latest updates on classification for pre-school wheeze and step wise management.