Abstract Aim. The study assessed the pain and functioning of patients after thoracoabdominal aortic aneurysms surgery. Material and methods. The study involved 35 patients after the thoracoabdominal aortic aneurysm surgery. The study used the method of a diagnostic survey, and the research tool was a proprietary questionnaire, using a numerical and descriptive pain scale and the Laitinen Scale. The results were analyzed in the program SPSS Statistics 21.0. Results. When it comes to 54.3% of the respondents, they experienced the strongest pain on the first day after the procedure, 45.7% experienced the pain periodically and it was felt the most in the evening (48%). More than half of the respondents indicated that the experienced pain completely affected the movement/walking and it was the strongest then, and it was the same while getting up. Pain intensity and the presence of functional limitations did not have a statistically significant correlation with the analyzed socio-medical variables (p>0.05). Conclusions. Patients experienced the pain after thoracoabdominal aortic aneurysm surgery and it limited their functioning, therefore they needed help in performing basic life activities.