Based on the survey about children's spaces in the comprehensive parks in Chengdu, the paper firstly analyzes 20 factors concerning users' satisfaction evaluation and establishes the evaluation index system for children's spaces in the comprehensive parks in Chengdu by AHP. Then the paper discusses the application of Kano model in the index revision weight for the evaluation on children's spaces in the comprehensive parks in Chengdu based on the satisfaction degrees and the important evaluation results. The result shows that the quantity of the recreational facilities, the diversity of the entertainment facilities, the improvement of the service facilities and children's science education are the primary concerns, which is consistent with the result from interviews and field investigations. In the end, the paper puts forward some improvement strategies according to the evaluation results.