Faced with environmental pollution and energy depletion, improving nuclear energy efficiency is essential. This article studies nuclear energy technology efficiency from listed companies. Use SE-DEA model to measure and analyze energy listed compa-nies’ technical efficiency from 2009 to 2014. On this basis, use Tobit model to study factors of nuclear energy listed companies’ tech-nical efficiency from financial and non-financial aspects. At last, give some suggestions. Studies show that:short-term solvency, profit-ability, company size have ...