Pain in the lower right side of the stomach is seen for many reasons, the common one is appendicitis, which is usually an acute attack, the patient shows early pain in the upper abdomen, after a few hours the pain shifts to fix the right side of the lower abdomen, gradually worsens, nausea, vomiting, fever and other symptoms will appear, the examination of the right lower abdomen fixed pressure points, even also accompanied by rebound pain and muscle tension, the most effective treatment is to choose surgery. There are also some patients with right inguinal hernia, including hiatal and ventral hernia, which manifest as a mass in the right inguinal region, and some of them can even descend to the scrotum, and the patient will also have local pain, and in severe cases, there will be impaction of the hernia contents, and there will be obvious symptoms of nausea, vomiting and fever. There are many surgical options, including traditional open surgery or tension-free repair.