In the present article attempt has been made to investigate the various types of war cry (Rajaz) told by heroes and warriors of Sahnameh ( The Book Of The Kings) and Garshasb Nameh of  Asadi Towsi at the beginning of the battles .The results showed that war cry was a kind of dialogue of two to seven couples told in the battle fields in the form of glorious questions and answer ,enemy humility, self expression, etc.The major theme of war cry ( Rajaz ) was the statement of originality and race or art of warfare , defeating the enemy , the application of techniques and tricks of war , and the use of war tools. In fact , war cry (Rajaz) was considered a powerful and effective psychological trick in the hand of the warriors to defeat the enemy .