The Nasdaq-style second board in China is the main financing approach for small and medium-sized and hi-tech companies，because these companies can’t meet the conditions of main board. So how to estimate corporation value is important to IPO and invent. The concept of corporation value was firstly brought up by America manage scholar with the appearance of property right market in the early 60th of twenty century. Corporations must make themselves accepted，seek the way of adding value continually，and undertake all kinds of production activity with the aim of max value in competition market. So research on corporation value is significant for the corporation in China second board and has important meaning. In this paper，several valuation is compared and given the adaptation for second board.
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