The study discusses the claim of shortage indistributed profits of investments accounts in the Islamic banks and it will investigate the reality of this issue. The main purpose of this study is to examine this claim, give the causes and provide the solutions to solve this problem. However, this qualitative study will follow the descriptive approach and take a case study of two Islamic banks in Malaysia and Sudan. The study explains the reasons of shortage indistributed profits of investments accounts in the Islamic banks, however there are many reasons for this shortage such as keeping certain percentage of these accounts without investment, deducting a percentage of profits to the response fund and avoiding the real investment Islamic banks. The study illustrates some of the theoretical and practical ways that are being followed in the two Islamic banks to overcome this issue. Also the study presents another suggested solution. Lastly, the recommendations of this study to the Islamic banks is the importance of solving this problem in order to preserve the main objectives of Islamic banks and the rights of investors too.