According to the census in China in past years, especially 2010 the sixth census data, compared with other countries, the tendency of aging population in China has such new features as rapid growth rate, large growth in scale, large elderly aging and uneven distribution． This is one of the basic conditions of 21cn． The trend of population aging will have important influence on the rate of growth of China’s economy, the social production structure, industry structure and the construction of socialist harmonious society． Seriously studying the characteristics of Chinese population aging and the influence, adopting a variety of measures have very important strategic significance on ensuring the sustainable development of China’s social economy, maintain social stability and harmony．