Mental ill-health is one of the greatest public health challenges in Sweden, and it is estimated that every third person seeking primary care in the country suffers from mental ill-health. Without proper treatment at an early stage, mental ill-health may lead to long-term illness and have a significant impact on functional ability. As district nurses are specialists in public health nursing, they have been pointed out as having a key role in the prevention and management of mental ill-health. The aim was to explore district nurses' practice in caring for people with mental ill-health within primary health care. Individual semi-structured interviews were conducted with district nurses (n = 18) and the transcribed text was subjected to qualitative content analysis. The result was formulated as several subthemes, eventually developed into three themes: Practicing within an organisation where traditional attitudes are impediments, Perceiving mental healthcare as not being an obvious part of district nursing, Working as fellow human beings rather than "professionals". The findings indicate that district nurses feel uncertainty in their practice in this area. Working independently with mental ill-health was not always considered socially acceptable among district nurses. Despite these challenges they tried to remain involved without becoming emotionally overwhelmed. They also strived to meet the needs of these patients with 'small things', that could be effective and a part of recovery-oriented practice, even if they might be defined as unprofessional, and their efficacy negated.