This research work is determine, “The effect of credit management on profitability of Bank in Nigeria using First Bank of Nigeria plc as a case study. It is also examine the performance of banks based on its ability to generate income through the provision of various credit management service to customers. The project employed the use of questionnaire to sources of data which is administered to the banks staff as well as personnel interview and observation while the collected data was analyzed through the use of regression analysis in the testing of hypothesis. The result shows that credit management reduces the level of fraudulent practices in banks and boost its profitability. Finally, it is clear in the finding that a lot still need to be done in the area of innovation and regulatory requirement to enhance its better performance before banks can reap the benefit of credit management service.