Abstract: In order to make a scientific and objective evaluation for urban residential area environmental quality,the article proposed an improved fuzzy comprehensive evaluation model,used fuzzy math theory in the evaluation of environmental quality,made a multi-target index structure according to the features of the urban residential area environment,and used AHP and group decision to decide index weight, applied closeness degree method to determine evaluation.Also,applied the model with a specific example,got an accurate and objective result,provide a reliable decision-making support for urban residential area environmental quality improvement.