This imbalance nature of Islamic bank's performance is of great concern, which motivates this research, which is to examine the determinants of the imbalance of the imbalance nature of Islamic banks' performance in Sudan. In doing so, it seeks to fulfill three main objectives, namely examining the imbalance nature of Islamic banks' performance in Sudan, examining the awareness of the policy makers and the Islamic banks' managers to this imbalance nature, and to investigate its determinants ...