The aim of this research is to shed light on the efficiency of the banking system in Iraq to interact with the variables of the international environment in order to achieve financial and banking stability, and to assess the financial soundness of a group of Iraqi private commercial banks based on the use of the (ZScore) model, if we know that the Central Bank of Iraq has obligated the private Iraqi commercial banks to increase their capital to (250 billion Iraqi dinars) to consolidate financial solvency and financial stability. The research reached a set of conclusions, including the absence or achievement of the financial stability of the study sample banks and for the period of the study, as the results of the z-value analysis of financial stability showed that the Iraqi Credit Bank in the time period (2011-2015), it was located in the financially safe area, while the rest of the banks are in the high-risk insolvency area. As for the time period (2016-2020), all the sample banks are located in the dangerous financial insolvency area.