There are many causes of subcostal pain on the right side of the back, such as dermatoneuritis, intercostal neuralgia, rib disease, etc. 1. Dermal neuritis: Dermal neuritis can cause vague pain and tingling in the innervated area of the skin, so the symptoms of subcostal pain on the right side of the back will appear. 2. Intercostal neuralgia: intercostal neuralgia can also lead to the phenomenon of hidden pain on the right side of the back under the ribs, herpes zoster is a common cause of intercostal neuralgia, which is mainly characterized by tingling, hidden pain and radiating pain. 3. Rib diseases: rib tumors, rib metastases and other diseases can also lead to the phenomenon of subcostal pain on the right side of the back, which can be diagnosed by rib CT. There are many reasons for the hidden pain on the right side of the back under the ribs, after the symptoms, it is recommended to go to the hospital in time to improve the examination, under the guidance of the doctor to take standardized treatment, and not to private treatment, so as not to lead to adverse consequences.