One of the crime that to be discus in special criminal law as crime against persons is abstain of help to dangered persons. Despite this crime is old in criminal statute of Iran but has not enough research. Essens for criminality in this omission is ethical principles and social co-operative . This article will research elements of this crime after analyze origin of its criminality. In first section criminality for all people need overview for increase the sprite of isolationism in recent years in Iranian society and in second section despite recent alterations at article 295 statute of Islamic punishment cannot omission be cause for homicide because this article needs causation