This document discusses supporting the development and implementation of protocols relating to substance misuse and children. It provides statistics on the number of children affected by parental substance use in the UK. It advocates for a multi-agency approach and local protocols to protect children's welfare and ensure they are helped early. The challenges include overcoming professional resistance and different perspectives, while improving knowledge and collaboration. Workshops and training involving over 7,000 staff in Scotland aimed to address these challenges and help professionals recognize their role in effecting change for children's welfare.