【Objective】Exploring the older citizens’ model of social adaptation from mental，environment and health in Beijing. 【Methods】 Determine behavioral characteristics for the older citizens’ social adaptation，design and grant 400 social adaptation questionnaire for older citizens in Beijing. Older citizens selected from city（n=40）and suburb（n=40）in Beijing are divided into two groups，modify their inappropriate behavior. 【Results】Interpersonal adaptation is the main factor of social adaptation. With role adaptation and higher self-evaluation. Daily life is limited slightly. With a high awareness of security. With low propensity of elderly care. 【Conclusion】The existence of social adaptation model for the older citizens in Beijing.：Life - psycho-social adaptation model.