The location of pain in the stomach is mainly in the upper left region of the abdomen; the location of pain in the liver region is mainly in the right upper abdomen at the lower edge of the rib arch. 1. Pain in the stomach area: The stomach is mainly located in the upper left corner of the abdomen, directly below the heart, with the vast majority in the left quarter of the ribcage, and a small portion in the epigastric region; therefore, stomach pain manifests itself mainly as pain in the upper left part of the abdomen. In addition, the pain in the left upper abdomen may also be radiating pain caused by the esophagus, duodenum, gallbladder, liver and pancreas. 2. Liver pain: The anatomical location of the liver is in the right quarter of the upper abdomen in the rib area, and most of the liver is covered by the rib arch. The site of pain in the liver region is also located at the lower edge of the right upper abdominal costal arch, which is the region of the body shadow of the liver. Common causes of liver pain include hepatitis, fatty liver, cirrhosis, and liver cancer. If patients have abdominal discomfort, it is recommended to go to the hospital in time and get a clear diagnosis under the guidance of a professional physician, and not to make a blind judgment on their own.