Method. 51 patients with bipolar diagnosis were included in the study, and 24 were included in the final statistical analysis. The participants took part in 8 meetings of group psychoeducation. The assessment of selected aspects of cognitive representation of illness, i.e. acceptance of illness, health locus of control, generalized self-efficiency, hope for success, therapeutic compliance, beliefs about bipolar disorder was conducted with validated questionnaires before, after, and 18 months after receiving psychoeducation to register possible changes.