These guidelines address problem gambling in Australia and provide recommendations to guide practice, patient and policy decisions for the screening, assessment and treatment of problem and pathological gambling. The four categories of recommendations covered are (1) evidence-based (2) consensus-based (3) practice points and (4) recommendations for research. There are two parts to the guideline as follows: Part 1 relates to the screening and assessment of gambling problems and Part 2 relates to treatment of gambling problems.