Global have attached very great importance to environmental protection in these decades. In this study, a new procedure using an Analytic Hierarchy Process (AHP) with Affinity Diagram to set up measurable indicators and determine their weights for garbage man selection system. Eighteen experts, including eleven officials and seven experienced garbage man, were incited to participate in this survey. To aggregate the result, job attitude gains the most weight (0.447), followed by garbage treatment knowledge (0.299) and physical fitness (0.254). The main contributions of this paper are: (1) to integrate the AHP with Affinity Diagram that converts the subjective cognitions of groups including officials and experienced garbage man and (2) to provide the governments with criteria to formulate reasonable regulations for garbage man selection system.