The industrial cluster is the main power of rapid economic development in Zhejiang province. Regional industrial concentration can form assemble effect 、enable enterprises to achieve cost savings and Promote industry complementary and technical innovation. The industry technology innovation strategic alliances is an innovative form of research cooperation, which is different from past, can promote the construction of regional innovation system on the base of the local industrial clusters. To research to promote the building of the Jiaxing regional industrial technology innovation and strategic alliances on the base of the Jiaxing existing industrial clusters has very important significance to the regional innovation system in Jiaxing.