Pain in the area where the right leg joins the stomach indicates pain in the right inguinal region, which is commonly associated with an ingrown inguinal hernia on the right side or inflammation of the right inguinal lymph nodes. In general, when inguinal hernia is embedded, the patient has a history of inguinal hernia for many years, and often there is a mass in the right inguinal region, which usually can be returned into the abdomen by itself. soft. If the diagnosis is clear, surgery is required to loosen the hernia ring and return the contents, requiring a tension-free repair of the hernia. Pain can also occur when the lymph nodes in the inguinal region become inflamed and infected, more commonly in the lower extremities, for example, dengue can easily cause enlarged lymph nodes in the inguinal region with pain, and after a clear diagnosis, anti-infective treatment is usually required, such as oral cefixime or intravenous antibiotics.