The main organs under the right rib cage include a portion of the gastroesophagus, liver, gallbladder, pancreas, small intestine, etc. From an anatomical point of view, there will be the liver, gallbladder, as well as the right half of the transverse colon, the duodenum and so on. 1. Liver: the body’s metabolic organs, most of the liver is located in the upper right abdominal region of the body, the right side of the rib cage and the diaphragm is an irregular wedge shape, only a small part of the left side. 2. gallbladder: in the right side of the rib cage below the liver behind the pear-shaped bag. Mainly has the role of storing bile, etc., the bile produced by liver secretion, need to be stored in the gallbladder 3. Colon: mainly the ascending colon and transverse colon, part of the duodenum is also near the right side of the ribs. The right side of the ribs under the discomfort, it is recommended to go to the regular hospital in a timely manner, so as not to miss the disease.