The article manage to prove the problem through constructing the model of the indirect financing gap o.

The tentative plan of solving scheme on financing gap of environmental protection in China;

The article has analyzed the main reasons that cause the financing gap of small-and medium-sized enterprises, and has put forward the necessity of setting up the policy-related finance system of small-and medium-sized enterprises in our country, and then explained the function of the policy-related finance system in remedying the financing gap of small-and medium-sized enterprises.

At present,financing difficulties and huge financing gap have become a major bottleneck confining the development of SMEs in China.

Research on equity gap of small enterprises and policy options;

A probe into direct financing、indirect financing and the objective model of financing structure in China;

On legal system of indirect financing of private-owned enterprises in China;

Lawful problem of indirect financing of private enterprise and countermeasure;

Since the capital market of China still has a long way to go, it is realistic to discuss the indirect finance.

Financial innovation has deeply restructured modern financial system,traditional dichotomy of direct finance and indirect finance has lost power to recapitulate financial system,(and it s) necessary to reclassify modern financial system.