Liver nodules are clinically more common in people who suffer from them. Normal livers usually do not have nodules. The main thing is to determine the nature of the liver nodules. There are two types of nodules on the liver: benign lesions and malignant disease. Most of them are mainly benign lesions, but there are also a small number of malignant liver nodules. 1. Benign liver lesions: benign liver lesions are mostly seen in liver cysts and hepatic hemangiomas, most of the benign nodules are asymptomatic, and most of the liver nodules are found in normal physical examination. 2. malignant lesions of liver nodules: malignant liver nodules do abdominal ultrasound liver inside the blood flow signals, liver edge irregular, unclear, this time need to do further determination of alpha-fetoprotein. In life found on the liver nodules less than 5mm can be regularly followed up, more than 5mm to do further examination to clarify the nature of liver nodules. Found liver nodules should be actively treated under the guidance of local doctors.