The triple visual angles that the research of the Chinese and Western aesthetic history of music in contemporary China inevitably touches upon are as follows: one is the independent research that takes itself as the object of the work,discussing the aesthetic proposition,the aesthetic category that arises from its own cultural ambience,etc.

Through comparing their advantage and shortcoming, it puts forwards a new method of estimating the cost of software: Integrated the algorithm model method, the expert group method and the analogy method, it gets the weights of every methods by AHP method, then gets the estimating cost by the method of combining weights.