Health is an important public issue that is related to the welfare of the people and the continuous development of the nation. It is also a crucial component of China＇ s population development strategy. Health is one of the most fundamental human needs, and is an essential foundation for humankind＇ s comprehensive development. The welfare of a nation＇ s population is determined to a great extent by the people＇ s health, which is not only the crucial foundation of population development, but also one of the most important indices of a nation＇ s economic, social,
