This article is sponsored by the Iran National science Foundation (INSF) The Process of Accepting Islam in the Khasam Tribe

History of Islam is not separate from Arab history, and it has to be recalled to the history of thetribes of the island of Al-Arab for the knowledge of Islam and it is important to know how was thespread of islam among the tribes, and we should enter through the passage of ignorance into the era ofIslam and understand its role and effect among the tribes.It was a time when the era of ignorance was dominated by horror and anxiety, and the tribes werein conflict, and the geographical location of the island of al-Arab prevented the formation of a centralgovernment and its disorder, and each tribe had its own culture and customs. Islam Born to become thegreatest event of human history, the Prophet invited the people to accept Islam in three stages: thesecret, private and public because the proclamation of a call to Islam was not tolerable for all at all.The presence of tribal rivals and the religious, social, and economic orientation of idolatersagainst the Islam of the Prophet led him to propose to emigrate to Habasheh from God.Then theProphet and the Muslims were besieged for three years in the branches of Abu Talib. After the end ofthe siege of the Prophet during the hajj days, he invited the tribes to Islam and conducted a trip outsideMecca to propagate the religion of Islam, which ultimately led to the migration of the Prophet andMuslims to Medina and the spread of Islam among the tribes. the Khasam tribe were the great tribes ofQahtani before Islam, most of them were idolaters. With the advent of Islam, some of the people of thistribe became Muslim individual or family , and eventually all of khasam tribe became Muslims in the9th year of Hijri after the destruction of the Pagoda. The tribe became Muslims to the Prophet and TheProphet wrote to them a treaty. Since the study of the process of tribal Islamism is one of the mostinteresting and important issues in Islamic history, this article tries to examine the Islamism of Khasamthat based on numerous historical sources, and it is hoped that the results and achievements of thisarticle can be found in scientific centers - Academic.