There are several possible causes of pain below the back of the right shoulder: first, gallbladder disease, when there are stones and inflammation in the gallbladder, there can be radioactive pain below the back of the right shoulder, which can be accompanied by pain and discomfort in the lower abdomen, and it is necessary to check the ultrasound and CT of the gallbladder at an early stage for early diagnosis and treatment. Second, rib diseases, when there are tumors or metastases in the ribs, pain in the lower back can also occur, and early CT and ECT examinations of the ribs are needed for diagnosis. Third, shingles, in the early stage of shingles can appear pain in the lower back, after the incubation period can appear herpes. Fourth, intercostal neuralgia, intercostal neuralgia can also appear as pain in the lower back where the intercostal nerve travels, which should be investigated and diagnosed early and treated with nerve nutrition and closure therapy early. Fifth, lung diseases, when there is a tumor in the lung can also appear pain in the lower back, then early lung CT should be taken for early diagnosis and treatment.