The path of truth and guidance, which saves man from wandering and misguidance and brings him to happiness, is only one way, and that is adherence to Islam and the religion of the Prophet Muhammad. Leaving this path of choice to another belief and profession. In fact, stepping in the wrong way and the multitude of ways makes a person bewildered and lost. The apostate's wandering and bewilderment due to this feeling is because the devils rob them of their thoughts and reason, therefore, they are unable to recognize the truth, because of this, at any time, they accept a crude opinion or color and lean towards a particular group and sect, thinking that guidance and salvation and Their happiness is in leaving Islam and accepting other beliefs and converting to this or that group, while all the owners of other beliefs are in error. Therefore, Islam is the right and direct path that leads man to eternal happiness, and whoever rejects it has lost the right and straight path and is confused. In this article, we are going to do a brief review of the definition, types, causes, conditions of realization and proof, factors and obstacles, and effects and jurisprudence rulings of apostasy in order to open a way for today's youth who are caught in the management and wandering due to the existence of many deviant beliefs.
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