[en] Last century, the humanity witnessed a vast development, after the industrial revolution, in many aspects of life. There was a real revolution in world of communications, the electromagnetic waves were produced and used in many applications like wireless communications, radio and television transmissions, information transfer, medical diagnosis and many other useful applications. Non-ionizing radiation, the radiation which has no enough energy to remove an electron from an atom, becomes indispensable life necessity and currently it is a subject of public debate about its effects and hazards on human life and environments. The Arab Atomic Energy Agency recognized this fact and tried to raise the public awareness towards by organizing seminars, workshops and expert meetings in the Arab region in order to study the theoretical and applies aspects of this type of radiation as well as to shed the light on its possible hazards and effects on human life. This booklet came as a result of many expert meetings to be an Arabic simple and comprehensive guide line about the nature of and the different methods of protection from its possible effects and hazards.(author)