The instalment of system of selling official positions has something to do with advocating civil politics, furthermore, it also relates to national financial predicament, therefore, conferring post by paying became the main form of selling official positions in the Song Dynasty.

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.

The review of the 440-year history of salt administration in the Qin and Han dynasties shows that for the salt administration system, official monopoly alternbates tax-collection on non-official salt business.