在简要分析西藏的自然、社会经济概况及其在中国的战略地位基础上，运用能值理论与方法，对其主要资源的贮存价值、总能值用量、能值的流入流出情况、人口承载力、能值投入率、能值使用强度、环境负荷等指标进行了系统研究，并与其他国家的有关指标进行了比较研究，提出了进一步开发西藏资源、实现可持续发展目标的政策建议。

Emergy is an alternative measure of value, based on real contributions to system performance, it is a new concept which quantifies “energy memory” in pro ducts and process. It is a new accounting unit of total contributions, direct and indirect, used in generation of a product or service. An emergy analysis of Tibetan system of economy and nature was performed in order to study its sustainability and emergy use. Indices of thermodynamic and economic vitality of Tibet were evaluated and a comparison with indices of other developed and developing countries or areas was performed.