The role of bricolage that helping new established enterprises get resources to develop new product was examined in Chinese new established high-tech enterprises. Data from a survey of 133 R&D Groups with structural equation model method were applied to test a model proposing that bricolage to influence R&D group's improvisation, and so promote their new product development performance. We found that bricolage with resources recombination for new purposes not only took direct positive effect on new product development performance of entrepreneurial enterprises, but also took indirect positive effect on it through R&D group's cognitive and behavioral improvisation. At the same time, although bricolage with resources making do and bricolage with resources at hand took no direct effect on new product development performance of entrepreneurial enterprises, bricolage with resources making do can impact on it through R&D group's behavioral improvisation, and bricolage with resources at hand can impact on it through R&D group’s cognitive and behavioral improvisation. In addition, R&D group’s cognitive and behavioral improvisation both took direct positive effect on new product development of entrepreneurial enterprises significantly. Finally, implications of the findings were discussed.