With the acceleration of aging process in China, the development of industry for the elderly people count much for the market to give its full play in distribution of resources in old age service as well as making up the insufficient supply provided by the government. However, given the fact that the industry for the elderly, as a cross-industry, it is faced up with some tough problems such as difficult to difine, measure, etc. With the calculation method of stripping coefficient, it helps to address the above problems facing the current industry for elderly people. As a statistic approach it is scientifically feasible. It will first calculate the stripping coefficient of multiple products and services of the industry for elderly people, supported by either sampling survey conducted regularly or by economic consensus. And at last it will obtain the data of all indexes of the industry for elderly people.