All Praise is due to Allaah, we praise Him, and seek His help and forgiveness. We seek refuge in Allaah, Most High, from the evils of our own selves and from our wicked deeds. Whomever Allaah guides cannot be misguided, and whomever He leads astray cannot be guided. I testify that there is no true God worthy of being worshipped except Allaah, Alone, without partner or associate. I further testify that Muhammad is His slave and Messenger (PBUH). May Allaah’s salaah and salaam also be granted to the Prophet’s pure family and to all of his noble companions? After that, this is a research for the (Master) degree in Al-Tafseer, the subject is: Al Qasimi digression in his Tafsser and its relationship to the meaning; study and application. Al-Qasimi may God have mercy on him in his Tafseer -The virtues of interpretation- spoke about various science in Tafseer, jurisprudence, Hadeeth , creed, language and talk about the (miracle of the Holy Quran ) also the so called “Scientific Tafseer of the Holy Quran” which need to Bifurcation a lot in Hadeeth about the Subject that he mentioned doing many digression in his book and this things wasn’t strange, there are some old people like Al-Kortobi, Al-Razi and others .The problems of the Research: Digression represents in the Tafseer of Al-Qasimi phenomenon which observed by Tafseer reader and it is multi according to the meaning of Quran. Research Methodology: The nature of this study requires the adoption of an analytical descriptive method.