The liver is located mainly in the right lower quarter rib area of the body, and most of the liver is hidden in the costal arch, only exposed at the right costal arch of the right epigastrium, which is accessible to the anterior abdominal wall, and the upper part of the liver is only adjacent to the diaphragm and the anterior abdominal wall. The normal liver is reddish brown and soft in texture. The upper part of the right lobe of the liver is adjacent to the right pleura and the floor of the right lung, the anterior part of the left lobe of the liver is adjacent to the colon, the posterior lobe is adjacent to the right adrenal gland and the right kidney, and the lower part of the left lobe of the liver is adjacent to the stomach. The liver is an important organ for promoting metabolism in the body and is the largest digestive gland. The main functions of the liver are to carry out the decomposition of sugar, store glycogen, and participate in the metabolism of proteins, fats, vitamins, as well as hormones; the liver is also capable of secreting bile, producing clotting factors, detoxification, and other functions. If there is any liver discomfort, it is recommended to seek medical advice and consult a doctor.