It is generally believed that creativity is an inborn talent that coexists with men since their birth, so others should only begrudge such merits. But such impression is totally wrong and unfounded belief. Creativity is a skill that everybody can learn, exercise, and apply it. Creativity is just like skiing, playing tennis, cooking or learning mathematics. So everybody can learn these skills and improve themselves through exercising them. But, at the end, all may not succeed to learn these skills equally. Accordingly, given the importance of creativity, some communities since long ago have sorted out certain strict plans to foster the creativity of their people. Since the development of creativity needs proper environment and atmosphere, it is necessary to adopt various methods. The present paper is an attempt to elaborate these points and by referring to the way of developing creativities, seeks to be familiar with the definition, importance and obstacles of creativity.