The aim of the study is to show the etiologies and the follow-up of our AKI cases. This was conducted in our hospital, between 2015 and 2018. During this period we included 26 children with AKI (64% femals) with a median age of 7 years (range 40 days to 15 years). In the majority of the cases revealed by digestive signs and that related to the etiology of AKI (Hemolytic Uremic Syndrome post diarrhea). In our study, 44% of the patients have thrombocytopenia associated with AKI. The etiology of AKI is: Nephropathy glomerular in 37% hemolytic and uremic syndrom in 54% and obstructive nephropathy in 9%. Patients survived in 92 % of the cases and 58% of them have recovered normal kidney function, 7% of death. Peritoneal dialysis is the most commonly used emergency treatment for AKI in children at a frequency of 37%., hemodialysis was used less.