Critics on verses and chapter's themes index in datelining, emphasizing on Blusher's research

One of the new Quranic fields which become so important in scholar mind's such as Blusher is chronology. There are lots of methods in this regard. One of the most important methods is built on three periods in Mecca and one period in medina by Blusher. Nowadays Regis Blusher is the last Middle East expert who likes this field. Therefore, critic on his achievement is more valuable. This expert like the others believe that Quran is a literary work and written by prophet try to use stylistic of theme And Chapter, to determine these periods. These periods include especial subject and through it, we can make a period for them. At last we come up to this point that it's impossible to making periods by any index.