With the improvement of Chinas population growth,urbanization and economic development,the amount of municipal solid waste generation is increasing.Waste disposal has become one of the major problems limits of the urbanization and urban economic development.Currently,the two main urban waste treatments are landfill and incineration.Landfill has convenient processing,low cost advantage.Incineration has the advantage of reduced capacity,completely harmless,small covers,reduce secondary pollution and recovery energy,etc.So,what kind of way is more suitable for our country todays situation? In this paper,application fuzzy comprehensive evaluation method to the life cycle assessment.We evaluated the common two garbage treatment technology.The results showed that weight increases as the economy right factors,incineration score is increased: Before economic factors account for about 65 percent,landfill is better than incineration.When considering technical and social factors,incineration is always better than the landfill.Incineration is more in line with Chinas national conditions.