A fundamental issue this paper wants to approach is the view of environmental protection work in mainland China in which the huge population is seen as the factor restraining environmental development. This view is a very important issue at present, as the 15th National Congress of the PRC has insisted on “the fundamental policy of birth control and environmental protection”and “taking care of the relations among economic development and population, resources, and the environment.” Relying on the view which analyses the fundamental problem of a huge population, this paper discusses the conceptual problems about such a view. It concludes that important role of positivity of population, or finding the right position of population in the environment, is essential.