Program planning and evaluation are crucial components of public health interventions. These processes involve systematically designing, implementing, and assessing initiatives to address health issues and promote community well-being. Key steps include needs assessment, goal setting, strategy development, and evaluation. Effective programs utilize evidence-based models, engage stakeholders, and employ various assessment techniques. Challenges like resource constraints and cultural barriers must be navigated. Evaluation methods, data analysis, and ethical considerations are essential for measuring impact and ensuring responsible implementation.