The most important challenge for the Baha'i missionaries to prove their claim to Muslims is the verses and traditions that clearly identify the Prophet of Islam (PBUH) as the last prophet. One of the widely used methods of Bahá'í writers to solve this challenge is to interpret Islamic texts in favor of their claimant. In the present research, with the method of analyzing texts and using the method of collecting library information, after explaining the concept of interpretation (Taavil) and the rules of its application in religious texts, while collecting those interpretations of Baha'is that are related to the subject of Khatamiat, to criticize the form and content. They have been discussed. The result of the research is to strengthen the assumption that Baha'i writers use it as a way to justify and get rid of the objections of Muslim theologians rather than looking at interpretation as a way to understand the inner meaning of texts. For this reason, they were not included in the clause of compliance with its criteria.