This randomized controlled trial study aimed to measure the effectiveness of the combination of 4-weeks Buteyko breathing exercises and pharmacological therapy compared with pharmacological therapy alone in children with uncontrolled asthma.

Inclusion Criteria:

1. Children aged 7-17 years
2. Uncontrolled or partially controlled asthma (GINA Symptom Control Tool score > 1)
3. Receive bronchodilator therapy, either oral or inhaler from a pediatrician.
4. Children and parents/care givers agree to participate in the study until the end, and parents/care givers sign the informed consent form.
5. Can understand instructions.

Exclusion Criteria:

1. Inpatients
2. Have received Buteyko breathing exercises or other breathing exercises.
3. Have congenital heart disease, pneumonia, or other significant and uncontrolled health disorders.
4. Have severe physical disabilities or mental retardation that could potentially prevent the implementation of Buteyko breathing exercises.
5. Have contraindications for spirometry examination