Praise be to Allah, Lord of the Worlds, and peace and blessings be upon the Messenger of Allah , and his family and companions, The Sahih of Imam al-Bukhari is the most correct books classified in the Prophet's traditions, and prepares the correct book after the Book of God almighty ,and Islamic nation has received traditions with acceptance. Therefore, the scholars took great interest in this book and took great care of it, And classified the authoresses in his explanation, abstraction, and talk about the meaning, and his men, chapters, etc. And among those who explained the book of the Sahih , custodians : Zain al-Din Abdul Rahman bin Ahmed bin Rajab al-Hanbali(795 A.H) , and Abu Al-Fadl Ahmed bin Ali bin Mohammed bin Ahmed bin Hajar al-Askalani (852 A.H) in their books known as Fath al-Bari, Two of the most important and interesting explanations on the Sahih , which included a number of issues of traditions and jurisprudence, fundamentalism, linguistic, doctrinal and educational, and so on. As for the two books that contain many of the traditions issues of the Verification of the traditions and their meanings, and the study of the narrator and conditions of men, and mentioned the occasion of the hadiths on the chapters, and chapters of books, and so on with regard to the Hadith and its sciences, So the idea of this research appeared (Comparison Between the Custodians Ibn Rajab and Ibn Hajar in Dealing With Hadiths Issues In their Explanation on Saheeh al Bukhaari), especially this Subject has not been confronted by Anyone in researching or studying,
The researcher figure out with good scientific results through this comparative study, and also to alert of their Important issues in the conclusion Praise be to God who supported and agreed. Keywords (Explanation Sahih Bukhari, custodians, traditions issues)