Recessive pain in the right lower abdomen can be examined by blood test, urine test, abdominal ultrasound and abdominal CT. The most common cause of occult pain in the lower right abdomen is appendicitis, which is mainly metastatic lower right abdominal pain, after which the pain can be gradually confined to the lower right abdomen. Doctors usually conduct blood tests to determine whether there is infection, inflammation, etc., and then confirm the diagnosis by combining symptoms and signs with ultrasound and CT. In addition, hidden pain in the right lower abdomen can also be seen in other diseases, such as adnexitis, abdominal ultrasound; gastroduodenal ulcer perforation can be found in abdominal CT examination of free gas under the diaphragm; the right side of the ureteral stone can be detected in the urine routine in the number of red blood cells, ultrasound examination can show the shadow of the stone, and so on. It is recommended that patients according to their specific symptoms and signs, under the guidance of the doctor for examination, diagnosis and actively cooperate with the doctor’s treatment.