This project adopts a whole-process digital therapy intervention package composed of an inhalation technique assessment device, an electronic inhalant medication monitoring device and digital software to guide patients use the inhaler correctly personalizedly, record and manage the behavior data of chronic obstructive pulmonary disease (COPD) patients during the use of inhalant medication, and provide personalized reminders and feedback to patients according to the data. The purpose is to analyze whether this digital intervention scheme can reduce the number of acute exacerbations of COPD, improve the management effect of COPD, and reduce the burden of disease by improving the medication compliance of COPD patients.

Inclusion Criteria:

1. Patients diagnosed with COPD
2. Aged 40 and above
3. Had one or more severe acute exacerbations in the past year, and be in stable condition for the last 4 weeks
4. Can operate a smartphone proficiently
5. Take inhalation medication suits for the inhalation monitoring device as treatment
6. Fully understand and be willing to sign the informed consent form

Exclusion Criteria:

1. Certain comorbidities (e.g. unstable coronary complications)
2. Undergone thoracic, abdominal or ophthalmic surgery in recent 3 months
3. Pregnant or lactating women
4. ABS allergy history