With the coming of aging society, the research of tissue engineering is turning to be one of activist research fields of modern biology engineering technology.
In order to solve the problem of protecting the aged's personal and property rights in such a society, the existing guardianship system in China needs amending urgently.
If the people of 60 or above account for 10% of the population, it is considered an aging society. The people of 60 or above account for more than 11% of our population.