This article discusses the principles for confirming legal nature of transaction of information mixed product by predominant purpose test and gravamen test.

Studies about the motive of justice reform-fundamental background analysis (including social background and humanity background) and the ultimate aim of reform linger in the system level.

As is the target that people need, it has great and fundamental influence on people s activity, the existence and development of people and the society, because it is not only basic drive strength of social development, the real tie which maintains the human society, but also the basic standard of people know and transform the things.