Liver is a very important organ in human body, which is the center of human body’s metabolism, and it is the largest organ in the internal organs. Liver is located in the right upper abdomen of human body, and the normal length of liver is about 26cm, width is about 16cm, thickness is about 16cm, and the weight of adult’s liver is about 1.5Kg. Under normal circumstances, the liver can not be touched in the abdomen, but in some pathological cases, such as acute hepatitis, liver cysts, liver abscess and liver cancer patients, it is possible to touch the enlarged liver, so it is necessary to improve the ultrasound of the liver, gallbladder, pancreas and spleen or the CT of the upper abdomen, to clarify the causes of the enlarged liver, and to find out the causes of the disease, so as to carry out targeted treatment and cure the disease from the root.