This article deals with the variant Quranic reading in chapters of Saheh-ul-Bukhari.Term of Qirrat has been defined and its evolution as science and great scholars who contributed in this field have been briefly introduced. Twenty five reviews among the Qurra in variant readings mentioned by Imam Bukhari has been explained and validity of his point of view has been highlighted.The methodology of Imam Bukhari, in proving his views by using morphological and rhetoric tools, has been emphasized in the end of the paper.