1. Upon enrollment, the all patients will be educated and equipped with asthma supportive kits, which is a electronic device attaches to an MDI medicine.
2. The asthma supportive kit registers every puff taken when the patient uses his/her MDI. The records are monitored by study nurses and calculated compliance ratio on rolling basis.
3. By enrollment, the patient is RANDOMLY assigned to Intervention and Control group. For the Intervention group in each study phases, when the given compliance ratio drops below 80% (as monitored by asthma supportive kit), the study nurse will actively engage to remind on medicine taking. For the Control group, the compliance ratio is calculated but to active engagement is applied.
4. All the patients adheres with regular asthma treatment mechanism, regardless to group assigned.
