Introduction on risk elimination and emergency treatment of hydropower dams in Wenchuan earthquake area;

With reference to venture capital, an outcome of finance innovation, the diagram and outline of investment mechanism of venture mineral exploration is proposed.

The structure, function and circumstances of mechanism of venture mineral exploration are also firm-newly analyzed.

This paper lays the emphasis on the anlaysis of maleriality and detection risks influence on substantive tests,through the scientifically designing time,nature and scope of it,so as to lower the entire auditing risk into acceptable level.