Identity as an element of identificatior and Consolidator plays a significant role in individual and collective actions at the micro and macro level. because it is known as the birth certificate and authenticity of the people of a land throughout history. In this research, based on the opinions of various experts, we seek to define national identity and examine its components. The method of research is library and documents, and the basis of the work is the analysis and investigation of the concept of national identity and its components in the tenth grade history book. According to the findings of the research, the most important components of identity in the history book are: Cultural heritage, beliefs and beliefs, family, festivals and ceremonies, education and science, lifestyle, livelihood, handicrafts, art and architecture are historical buildings. In fact, the components of identity are a reflection of the structure and internal conditions of society and relationships and interactions with the outside world. The results of the book review show that the information in the book is mostly historiographical and narrative and it only increases students' historical knowledge and reservations and historical, political, geographical and religious dimensions of national identity have been discussed more than social, cultural, linguistic-literary dimensions. Due to the importance of the concept of identity, it is necessary due to the importance of the concept of identity, it is necessary content of history books should focus more concretely and objectively on myths and historical figures as well as historical events to provide the young generation with familiarity and awareness with historical patterns and also that positive and negative events evoke and strengthen both the state of learning lessons and the feeling of pride and belonging and ultimately national unity for the young generation.