As super-capacitor technology is developing continuously, the market demand for super capacitors is increasing. In order to reflect the development of super capacitor industry and the trend of development in key technology comprehensively and accurately, and to provide a decision-making reference for the development of industry in the future, the trend of super-capacitor patent was analyzed based on a large number of data published on intellectual property public information integrated service platform of Guangdong province. According to the patent analysis and the theory of TRIZ, detailed statement and analysis on the chain of the super capacitor industry in China, on the supply and demand of market, the goal of industry development and so on was made . Besides, through the patent map, the development trend of the patent technology of super-capacitor was analyzed, and a prediction about the future development and trend of key technology in the future according to the theory of TRIZ and the development track of the industry was made.