Objectives: Review the results of pacing and some early complications of patients Who implanted pacemaker at Bai Chay Hospital from 2016 to 2020. Subjects and research methods: A descriptively prospective study longitudinal follow-up study on 31 bradyarrhythmia patients who were permanently paced at Bai Chay Hospital from 2016 to October 2020. Results: After implantation of pacemaker, the rate of symptoms improved markedly, the change was statistically significant with p = 0.0001. Medium heart rate before and after implantation (47.84 ± 7.712 with 65.61 ± 4.425, 95%CI: 17.77 ± 7.173, p = 0.000). Change in QRS width after implantation (153.52 ± 11,963ms vs 91.81 ± 10,882ms, 95%CI 61.71 ± 12,947, p = 0.000). Pacing threshold changed after 6 months (0.68 ± 0.146V; 0.73 ± 0.149; p=0.001). Received R wave and electrode wire impedance did not changing after 6 months of follow-up. The rate of complications right after the procedure accounted for a total of 6.45%. The rate of complications after 6 months of follow-up accounted for 6.45%. Complications were all minor complications and were well managed. The successful rate of the procedure reached 100%, the pacing parameter was assessed as good, accounting for 70.97%. Conclusion: The method is considered effectively in the symptom improvement, safety, low complication rate and should be applied and deployed for patients with bradyarrhythmias with indications for permanent pacemaker implantation.