One of the important issues that has always been the focus of commentators, thinkers and even others is the doubts raised by the opponents, and this factor has provided the basis for the creation of different views about this verse. Therefore, in this research, we are looking for an answer to this important question, what are the contents of the verse of purification? What doubts are raised about this verse by Ahl as-Sunnah? With a descriptive-analytical method and using various sources of the parties and authentic books of interpretation, Hadith, Rijali, etc., we explained the various aspects of the verse of purification and answered the objections and problems, and in the end we stated that although they With their false prejudices, they tried to change the example of the verse according to their opinion by creating doubts in the minds of the people, but we have proved this matter with reliable evidence that the verse directly proves the validity of the Sunnah of five of the infallible people, and the same ruling about the people who were considered by the infallible as It is also proven that the content of the verse is sufficient to guide the Islamic Ummah and prevent misguidance after the Prophet, and the Ahl al-Bayt are certainly far from any abominations and evils.