Objectives: To determine some factors related to the treatment outcomes of patients with pECOPD at Thai Nguyen Central Hospital in 2021. Subjects: 54 patients diagnosed with pECOPD were treated at the Respiratory Department. Methods: cross-sectional description. Results: Mean age: 71.75±9.64; Mostly seen > 60 years old. More male than female. The rate of having more than 2 episodes of exacerbation is 96.3%. Average BMI was 20.78±5.75; obesity 16.7%, average 63.0%; skinny 20.4%. X ray: interstitial lesions 42.9%, bronchial vapors 52.4%, opacities 100.0%. Patients who do not smoke/have quit: good treatment results 18,5%/27,8%; are smoking 7,4 %. pECOPD > 2 exacerbations/year, good treatment results 44,4%. Good treatment results skinny BMI 7,5%; average 29,6%; obesity 12.9%. History of using ICS: good treatment results 27,8%; not good 70,4%. pECOPD level GOLD C, GOLD D good treatment 44,4%; 27,8%; not good 13,0%; 14,8%.