Urban park green space(UPGS) is regarded as the main carrier of the daily recreation for the elderly, and it is of important significance to measure the influencing factors of adaptation of UPGS for the elderly to improve the quality of the parks.The evaluation index system for adaptation of UPGS for the elderly was established from the elder's feelings on the use of UPGS in this thesis. Based on the evaluation index system and the data obtained from the questionnaire survey, the evaluation model of UPGS for the elderly was constructed by using structural equation model with 4 evaluation dimensions including 14 influencing factor variables, the main factors and internal causality of UPGS were analyzed quantitatively.The results show that the four latent variables of environmental comfort, environmental safety, spatial accessibility and health interaction were positively correlated with the adaptation of UPGS for the elderly, and environmental comfort had the greatest influence on the recreation satisfaction of the elderly; observation variables, such as the completeness of rest facilities, accessibility facilities configuration, night lighting configuration, garden road patency, and activity place richness, have more obvious effects on their latent variables, which are the main factors affecting the adaptation of UPGS for the elderly. According to the research, the strategies to enhance the adaptation of UPGS for the elderly were proposed, aiming to provide reference for the design and reconstruction of adaptation of UPGS for the elderly.