Purpose: Ehsan Tabari (1295-1368) was the unmistakable theoretician of the Tudeh party for more than 42 years and was also arrested and imprisoned after the political developments of the 1960s and the arrest of the leaders of this party. Shortly after his arrest in a television program, he said he has turned to Islam by reconsidering his past thoughts. Methodology: This event transformed Tabari into a new face with different approaches and opinions, so that some speak about Tabari before and after arrest. His effect on one or two generations of young people, when he was in the Tudeh Party or when he turned to Islam, is indisputable. Since the Tudeh Party has played a role in political movements due to its extensive and coherent organization in the era before and after the Islamic revolution, so investigation of his political personality can be very useful in understanding the political and social developments of 1320 to 1368. Finding: The basic question of this article is how do his personality features influence on his thoughts and opinions? This paper examines political personality and life cycle of Ehsan Tabari by Karen Horney's Theory. The hypothesis of this article is that Ehsan Tabari had selfish, domineering, and secular personality in different periods of political life and over time, he got away from your true self and your current self and spent most of his life in the world of ideal self-reflection. Conclusion: The characteristics of each of these courses and events and decisive facts were important in the political psychological aspect.