This paper investigate the main performance of urban-rural differences of the school PE from three aspect:the un- equal beginning of education,the unequal process of education and the result of education.

By the method of investigation and interview,this article analyzed the content and concrete performance of the urban-rural differences of school P.

The birth records of twins in 1989 in China were used to analyze the effects of difference between urban and rural areas on the birth rate of opposite-sex twin (OSTBR) at different maternal childbearing age.

The study shows that physical quality of the countryside male students has been greatly improved and the difference between city and countryside tends to be slight; University should lay a lot stress on passing on the knowledge of health education and developing of the training emotion and training interest and training ability to students.

But in view of retirement pension and social annuities,there is great difference between town and country,which results in the huge difference between the senior citiz.

Therefore,this paper focuses on the consumption difference between urban and rural areas under the dualism structure,and makes an analysis of mathematical economy by using the price discrimination theory,which in- dicates that actions of monopolistic manufact.