This document provides an overview of a training module on understanding substance use disorders, treatment, and recovery for child welfare workers. It covers learning objectives, types of substances and their effects, the continuum of substance use disorders, signs and symptoms of substance use, cultural context, treatment modalities and recovery processes, and recovery support strategies. Key topics include the brain science of addiction, cultural competency in treatment, gender-specific treatment components, family-focused recovery, and the role of continuing care and peer support specialists.