The demand of long-term care services is rising nowadays. In hence, to develop long-term care services system has become an unavoidable issue on welfare policy in aging society and aged society. Nowadays, Japan already became an aged society, runing further ahead than other countries in terms of aging population rate, and the needs of elderly care is growing. So there are a lot of reforms in the aging population welfare policy in Japan nowadays. For example, The "Long-Term Care Act" has been taken to action in 2000. The Long-term care insurance system promotes the participation of independent enterprises, for matching the demands of the needs. The participation of independent enterprises in care services has started in Japan. This paper examines the participation of independent enterprises in care services after the long-term care insurance system enacted in Japan. The following issues have been taken consideration: the making-decisions process, the contents, and the existing issues of "Long-Term Care Act, Japan", the situation and efficiency of the participation of independent enterprises in care services, the problem of care-service on suppling-system, and the solving policy etc. Therefore the concrete experience toward long-term care insurance system of Japan will offer a lot of points of long-term care countermeasure for us.