As a matter of fact, micro-middle size corporations are an important part of China's economy and have contributed greatly to the prosperity and development of the economy and the full development of society, stability, and harmony. The competition between enterprises has also promoted the progress of technology, promoted the development of economy and finance, increased the disposable income of urban drama titles, and improved social production efficiency. They have gradually become the backbone of socio-economic, political, and cultural development. However, SMEs need a large amount of capital injection to achieve new development when they continue to expand their scale operations, and they miss out on opportunities because they cannot obtain the required funds in time. Although governments and scholars across the country have paid extensive attention to SMEs, the financing difficulties of SMEs have been a problem around the world in recent decades. Our financial system needs to be improved, the financial suppression reform has not been completed, the private financial restriction is more, resulting in small and medium-sized enterprises financing without a sound support mechanism, capital shortage predicament is becoming more prominent. At the present stage, policies and financing theories issued by the government generally apply to large enterprises of a certain scale, and they cannot raise funds under their guidance. Therefore, signing the important role, this paper discusses the financing difficulties in detail.