Fair Value (Fair market Value) is also called Fair price,Fair.Familiar with the market situation of buyers and sellers in fair trading conditions and voluntarily under the situation of the price,or no correlation between the trade fair in under the condition of an asset can be sold or a liability can be off the price.It is in our use of overall experience from scratch,first withdrawal,and after advocating careful use and regulation of the process.The main consideration China as emerging market economies,many assets have not form the active market and the active market and open markets offer the best evidence that the fair value.On February 15,2006,China's ministry of finance promulgated new accounting standards for enterprises - basic standards,specific will fair value measurement attribute of the accounting,and accounting standards for specific in 17 different degree of using this measurement attributes.So as to change after the reform of fair value measurement attribute with previous old standards have what different,in handling and what need study place,put forward the new system after a series of problems in the application,and how to solve these problems,and how to better adapt to the new standard,this paper explores and studies the key content.