This article is dealing with the problem of the subject context analyzing for Real Variable Function Theory,including Lebesgue measure,integral theory, the developing clue of the problem, the main idea, the main methods of skill, the whole construction, etc .

In the help of relevant theory and method of simultaneous research of American school of comparative literature,this paper compares and analyses the similarities and differences of love in Decameron and Amazing Tales,trying to seek out their internal relationship and aesthetic value.