Diagnosis should be carried out early in primary care centres and is based on clinical suspicion and effective use of clinical interview techniques, the attitude of the professional being crucial for predicting. Specific detection techniques and listening skills are proposed. It is essential to know the relevant legislation and the changes it has undergone in recent years, largely driven by social pressure. The obligation to report to the court and its proper completion are vital in order to break the silence surrounding ill-treatment. It sets out the consideration of domestic violence as a social problem, not an individual, in the context of social relations based on abuse of power and not on equality. The social resources available and their area of work in domestic violence are collected. We include the intervention of the worker or social worker in health centres. On the one hand, individual care for victims, distinguishing between the attention paid to cases openly manipulated by women (especially acute cases) and the most frequent cases hidden. The broad role of this professional includes listening and welcoming, victim’s safety assessment, resource reporting, coordination between professionals, psychological support, and long-term follow-up. In addition, intervention in prevention (in health programmes and community strategies), self-protection of professionals, training and research on ill-treatment is defined.