Considering the depression that some people in the society suffer from and also mood lability that deprives people from the joys of life, any solution for its prevention and treatment is considered to be important. Although drug therapies and consultaions are helpful, religious educations should also be considered in this regard. Some effective issues including having self-confidence, appreciating one's own capabilities, seeking help from and having trust in God, making a proper evaluation of this and the other world,caring about other people and not keeping ill will towards them, avoiding loneliness and unemployment, travelling, doing recreational activities, and reading books are discussed in this paper.