This guideline focuses on the introduction of composting projects based on source separation of organic waste and aerobic fermentation at plants for Municipal Solid Waste (MSW) management in the cities of developing Asia. The guideline aims to assist decision-makers and policy-makers at the local level, who have limited or no technical background on composting, to evaluate the feasibility of introducing composting projects as an appropriate strategic option for improving waste management. This guideline will: (1) provide a holistic understanding about composting systems including both advantages and disadvantages, as well as requirements about the technical and nontechnical aspects of planning sustainable composting projects, and (2) propose key evaluation criteria and a precheck flow to objectively determine and evaluate criteria when considering the potential of introducing composting projects.