Cauese of Almighty God's Mercy Descent in Islamic Mysticium

God’s mercy is so vast and overreached that it contains every thing and does not depend on any cause. However, Almighty God has provided back grounds whit his benevolence and grace for his slaves to get as many benefits as available on earth. Examples are God’s bounties that are deemed to be keys to an access to God’s mercy and causes of his Divine’s fall of openings. Repentence, patience and reticence, crying, compassion and kindness, piety and mystic mendicity, virtuosity, good temper, humility and etc. Since Knowledge and awareness of what are referred to us causes of the descent of God’s mercy provide a good grond for the diserous people to subject themselves to his endless mercy and emanations and take advantage his bounties much further.This paper intends to deal with this subject by being revelled by supreme mystical texts in a descriptive approach and by using the related sources and hoping that it would prove useful.