Abstract: Assessment is an important measure to promote the classification of municipal solid waste(MSW). A quantifiable evaluation method system was proposed from five aspects, including system and mechanism construction, classified delivery, classified collection and transportation, classified treatment, and civilized habit formation, and had been applied to the evaluation of MSW classification in key cities.Through a comprehensive and systematic evaluation and analysis of 46 key cities, the effectiveness of MSW classification was studied, the innovative methods and experience of urban practice were summarized and extracted, the common problems in the implementation of waste classification were analyzed and defined.And suggestions were puts forward from the national level, local level and different levels of cities,to provide technical support for the competent departments of the sanitation industry to inspect and guide the promotion of MSW classification, and to provide demonstration and guidance for the national MSW classification.

Key words: domestic waste classification, evaluation, key cities, index system