Product of Hi-tech Industry in Jiangsu is great. To find out the state of innovation capability in Jiangsu’s Hi-tech Industry, we design an evaluation index system of high-technology industry’s innovation capability from the perspective of innovation input, output and conditions. Grey Incidence Degrees model was employed to make synthetic estimation for high-technology industry’s innovation capability in Jiangsu．On this basis，some suggestions on improving high-technology industry’s innovation capability in Jiangsu are put forward．