Early intervention in childhood years is an important part of successful therapies for children and adolescents living with or at risk of mental illness. Family therapy acknowledges the role of family relationships, interactions, and family systems in child and youth mental health. To explore the effectiveness and delivery of family therapy in order to inform current family therapy practice in Australian public mental health services, a scoping literature review mapped key concepts of the past 11 years of family therapy research. Current gaps were noted within the following key concepts: family therapy settings and definitions, the influence of family factors on outcomes, transparency of intervention methods, and the training of family therapists. Further research could be undertaken to address current gaps in the literature, specifically: assessment and intervention processes; typical length of time for a series of family sessions; frequency of sessions; and theoretical foundations linked with most effective outcomes, as identified by clinicians, children, and their families. This research would provide a better understanding of best practice and evidence‐based family therapy practices that work for children and their families to inform family therapy practice in Australia and beyond. This scoping literature review identified that there is a noteworthy variation in the way brief family therapy is provided, both in terms of the duration and frequency of sessions, as well as the theoretical underpinnings employed. Further research is warranted to explore different service contexts and brief versions of family therapy delivery and the outcomes for the children and their families.