The present status of development of building energy efficiency (BEE) in China has been introduced in this paper, and the necessity of implementing the strategy of sustainable development and constructing the energy-efficient-and-land-saving buildings is proposed. By analyzing the present status, the main problems are raised out, including: (1) lack of corresponding stimulating policies and administrative regulations and rules; (2) slow development of BEE market, and incomplete system of energy efficiency technologies; (3) scarcity of special channels for financing; and (4) poverty of consciousness about BEE, etc. Aiming at the above-mentioned problems, with the reference to advanced concepts and experiences from developed countries, it is emphasized on promoting the development of BEE in China through integrating the market adjustment system, government control system and social adaptation system. The detailed measures include: to improve policies, rules and regulations; to realize financing for BEE by market; to cultivate the BEE industry, to develop BEE technologies, and to establish the BEE certificating and labeling system; and to strengthen dissemination, education, and training of BEE.