The objective of this study is to explore patients' and family members' experiences of the different elements of a psychoeducational family intervention. A qualitative, explorative study was performed based on digitally recorded in-depth interviews with 12 patients and 14 family members. The interview data were transcribed in a slightly modified verbatim mode and analysed using systematic text condensation. Six themes that both patients and family members experienced as important in the family intervention were identified: alliance, support, anxiety and tension, knowledge and learning, time, and structure. A good relationship between the group leaders and participants was essential in preventing dropout. Meeting with other people in the same situation reduced feelings of shame and increased hope for the future. Hearing real life stories was experienced as being more important for gaining new knowledge about psychosis than lectures and workshops. However, many patients experienced anxiety and tension during the meetings. The group format could be demanding for patients immediately after a psychotic episode and for those still struggling with distressing psychotic symptoms. Group leaders need to recognise patients' levels of anxiety before, and during, the intervention, and consider the different needs of patients and family members in regards to when the intervention starts, the group format, and the patients' level of psychotic symptoms. The findings in the present study may help to tailor family work to better meet the needs of both patients and family members.