The right side of the subcostal distension after eating full has the following conditions: 1, often stay up late will bring a lot of burden to the liver, which may lead to liver meridians do not flow smoothly will trigger the right side of the subcostal distension after meals. 2, unreasonable diet, irregular diet and long-term eating too greasy, spicy, stimulating food, may induce cholecystitis and fatty liver, will lead to the right side of the subcostal distension, cholecystitis attack caused by more intense pain , as well as loss of appetite, flatulence, nausea, vomiting and other symptoms. The pain caused by fatty liver is not very strong, but also has other symptoms such as loss of appetite, lack of energy, nausea, vomiting. 3, costochondritis, prolonged exertion or infection with germs such as Mycobacterium typhi, Mycobacterium tuberculosis, streptococcus, may cause costochondritis, which in addition to causing pain under the right side of the ribs, the pain will be more pronounced after exertion. There are many possibilities for right-sided subcostal pain after eating, so you need to go to the hospital for a detailed examination to identify the specific cause and treat the problem.