Abstract
Reference to the Sunnah of the Prophet, peace be upon him seems to pensive it preserved the blood of Muslims and injected from loss , show that the following points. Killing oneself first to be held accountable by the killer doomsday. Sunnah decided that the killing of a Muslim’s greatest sin in his right. Sunnah stated, “Killing of a Muslim disbelief”. Legality of retribution for maintaining blood. The legitimacy of retribution has been an important role in keeping the blood and it is clearly show by the following points. Sunnah Cancelled differences in the application of retribution. Sunnah Committed, Justice in the application of retribution. Sunnah committed to conduct retribution after constancy and evidence.