Abdominal ultrasound, abdominal CT, blood tests can be done for right epigastric subcostal pain. In general, the possibility of liver and gallbladder lesions, such as hepatitis, liver abscess, gallstones, cholecystitis, etc., is considered. Patients can undergo abdominal ultrasound to examine the location, size, and morphologic changes of the liver and gallbladder, and to determine whether there are cysts or substantial masses. Abdominal CT can also be performed to determine whether there is inflammation, perforation, stones and other lesions. In addition, blood tests are usually needed to determine whether there is any infection or other conditions in the body. It is recommended that patients seek medical attention in a timely manner, under the guidance of the doctor to carry out the appropriate examinations, to clarify the cause and then actively carry out treatment.