Abstract:With the development of science and technology, the state of innovation become more and more important, improving the ability of innovation and building an innovative country had become the main mission of our country. So establishing an innovation index which meets the requirements of the times has important social application value. According to the current situation of the development of our country and the basis of the innovation of theory and literature review, we analysis the connotation of the innovation and structure the innovation indexes system in the background of “Internet+”. Establish the comprehensive evaluation model and take Jiangsu Province as an example, calculated the value of Jiangsu’s innovation index between 2012 and 2017 and analysis the development status of Jiangsu in recent years.