Studies on the Documents of the Slave Sale in Mesopotamia in the Old Babylonian Period;

Thus legislative intervention in the sale of human organs should be made in our country.

Analysis of tenancy and business contracts of vineyard in ancient Turfan;

In Tang Dynasty, the legislation of obligatory right established the principle of good faith, which was embodied by setting up a relatively perfect system of warranty against defect in business.

With the transformation of self-sufficient natural economy into commercial commodity, the trade of salt industry has become more and more prosperous.

By literature review and other methods,some legal issues on sports sponsor in China such as the commonweaths and mercantile properties of sport sponsor,the difference between sport sponsor bargain and contribute bargain,the difference between sport sponsor bargain and trade bargain were studied.

During Yuan Dynasty, the phenomena of women population trades were very popular.

The result of diagnoses the group of research project has taken in HeNan about attitude to transplant of vital organs of living body shows: First, the populace agrees that we take transplant of vital organs; Second, many citizens object the transactions of organs, but many people agree with it; Third, the main reason why people are willing to donate the organs of their relatives is affection.