The causes of vague pain in the lower right abdomen that cannot be traced may include somatoform disorders, dyspepsia, gastrointestinal cramps, and so on. 1. Somatoform disorder: it is a kind of mental disorder, often worrying about their own physical abnormalities, often accompanied by anxiety and irritability, etc. Even if the examination results are not abnormal, the patient still feels uncomfortable. Even if there is no abnormality in the examination result, the patient still feels uncomfortable. 2. Dyspepsia: Functional dyspepsia is a diagnosis of exclusion, which can be considered after a series of examinations and exclusion of other organic pathologies. It can be related to eating, and will show hunger pains or pains after meals, or it may be irregular. 3. Gastrointestinal spasm: Gastrointestinal spasm occurs after the abdomen is cooled, which may also show pain. The common causes of right lower abdominal pain, such as appendicitis, mesenteric lymphadenitis, intestinal torsion and so on, are also easy to be ignored in the early stage of the disease. Patients with prolonged lower right abdominal pain can go to a higher level hospital to find out the cause of the disease as soon as possible and get timely treatment.