Diffuse echogenic changes in the liver indicate diffuse changes in the liver, i.e. diffuse liver lesions, which may be caused by hepatitis or cirrhosis, but the cause cannot be diagnosed. Diffuse echogenic changes in the liver are an imaging finding that indicates diffuse changes in the liver, i.e., diffuse hepatic lesions, when the liver parenchyma shows increased echogenicity on ultrasound and the liver shows relatively uniform echogenic abnormalities. This is only an imaging finding and cannot be used to diagnose the cause of the disease. Diffuse echogenic changes in the liver may be due to chronic inflammatory stimulation of the liver, such as hepatitis or fatty liver disease, which leads to fibrotic hyperplasia of the liver and changes in liver morphology and structure. It is recommended that the patient undergo further liver function and hepatitis virus screening tests as prescribed by the doctor to clarify the cause of the disease. After imaging results show diffuse echogenic changes in the liver, patients should undergo further investigations to identify the cause and standardize treatment.