Hidden pain forking below the right side of the ribs requires prompt hospitalization and symptomatic treatment based on test results. Possible causes are lung disease, liver and gallbladder disease, intercostal neuralgia and trauma. 1. Lung diseases: such as lung tumors, pneumothorax, etc. First of all, you should go to the hospital for chest CT and other imaging tests to determine the cause of the disease. Surgery, radiotherapy, chemotherapy, etc. may be needed. 2. Hepatobiliary diseases: such as cholecystitis, hepatitis, liver abscess, etc., which may be accompanied by nausea, vomiting, bitter mouth and other symptoms. First of all, go to the hospital to improve the blood routine, liver ultrasound, liver function and other tests to clarify the diagnosis. If clear, need to use antibiotics to fight infection, liver preservation and other treatments. 3. Intercostal neuralgia: If it is intercostal neuralgia, hot compresses can be used to relieve pain, and local painkillers can be used as prescribed by the doctor. 4. Trauma: If the pain is caused by rib fracture due to trauma, it needs to be reset and fixed. If only the diaphragm spasm caused by the pain, rest for a period of time, or hot compresses, physical therapy, etc. can be relieved. It is recommended that patients with right-sided subcostal pain in the fork in the right side of the rib cage go to the hospital in a timely manner, after clarifying the cause of the symptomatic treatment, to avoid delays in the condition.