Abstract:The new energy industry of Beijing has been identified as an important contributor to promote industrial upgrading and improve innovation capacity. The paper built up an index system to evaluate new energy industry of Beijing, including of industry innovative capability, market development capability, indstry strategy capability and industry environment. Then the paper assessed the competitiveness of new energy industry in Beijing by using analytical hierarchy process(AHP)and fuzzy comprehensive evaluation (FCE) method. According to the assessment results,the paper put forward several suggestions to promote the development of new energy industry of Beijing, which consists of policy insistence, innovatrion mechanism, industry upgrading and regional synergy.