Technology-based SMEs have the advantages of short construction period, fast decision-making mechanism, low management cost, high innovation efficiency, etc. However, financing difficulties have always been an important issue that plagues the development of high-tech SMEs. The problem of corporate financing will not only hinder the process of technological innovation, but also reduce the efficiency of achievement transformation. This article sorts out the typical financing problems of technology-based SMEs, and proposes suggestions from strengthening corporate system construction, broadening financing channels, enhancing market financing vitality, and improving support policy systems, in order to improve the financing of technology-based SMEs.