The level of aging in Yanbian area has surpassed that in China so that the situation is very serious. With the high proportion of the elderly living alone, the poor elderly in Yanbian area and the premise of insufficient provision for the aged, there are many problems, such as the diversification of the elderly problem, the disparity of the elderly individuals, the weak awareness of the old-age planning and the weak subjectivity of the elderly. The home-based care for the elderly in Yanbian community is also facing great challenges. There are some problems in Yanbian community pension service, such as insufficient special funds, low level of professionalism, contradiction of social service delivery system, and lack of a joint force among the main bearers of social work for the elderly. Therefore, it is necessary to establish a "medical treatment+supporting+nursing" combined, "four in one" multi-linked community home service model and set up a service network system for the elderly to realize the diversification of the service carriers for the elderly, fulfill the diversification and individualization service needs of the elderly groups in Yanbian in the process of service specialization to meet the diversified and individual service needs of the elderly groups.

Based on the relevant theories of campus culture, this paper takes the construction of universities in minority areas in China as well as the actual situation of the universities in the ethnic minority areas in China and the campus culture of neighboring countries as examples. The multi-cultural background of campus culture in ethnic minority areas is comprehensively analyzed. Through a large number of facts investigation and data research, the challenges, problems and measures to deal with campus culture construction are discussed and studied effectively. And make positive efforts to promote the construction of campus culture in ethnic minority area. Yanbian region is the main inhabited area of Korean nationality in China, which is located in the east of Jilin Province, bordering with Russia, North Korea, South Korea and Japan. It is the meeting point of the regional economy, population, and geographical center of gravity of Northeast Asia, and it is the hub for air, sea and land transport in Asia and Europe. Yanbian University is the only comprehensive university with distinct national characteristics in Yanbian area. Taking Yanbian University as the research object, it has certain representativeness to carry out the campus cultural construction under the multi cultural background, and also has certain reference function to the campus culture construction of the comprehensive universities in other ethnic regions. The conclusion will provide reference for strengthening the construction of campus culture in ethnic minority areas.