Mild diffuse changes in both kidneys usually refers to a tendency for both kidneys to show overall mild chronic disease. Diffuse changes in both kidneys are lesions that can be seen throughout the kidneys on ultrasound, and patients may show fibrosis in the renal cortex and renal medulla, which is also known as echogenic enhancement. It usually indicates chronic lesions in both kidneys. The occurrence of this condition may be due to hypertensive renal damage, chronic nephritis, chronic renal failure and other diseases. Patients may present with symptoms such as edema, hypertension, anemia, acidosis, and electrolyte disorders. If patients find mild diffuse changes in both kidneys, it is recommended to go to regular hospitals in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of doctors.