Abstract:The development of energy science and technology has profound impacts on the future energy pattern, and the outlook of energy development is of great significance to national policy-making and corporate strategic planning. Based on the analysis of the current situation and development trend of energy sector, this study summarizes the five characteristics of energy transformation: diversification, decarbonization, decentralization, digitalization, and globalization, and points out three new features in respect of the trade war between China and US, low oil price, and application of artificial intelligence technology that emerged since 2016. A few thoughts concerning low-cost technology, information technology, and subversive technology are presented for analyzing the development trend of science and technology in energy sector, actively responding to energy transformation and formulating development strategy of energy science and technology.