Right side back pain may be right lung disease, right pleurisy, right frozen shoulder, gallbladder disease, biliary tract disease, skeletal muscle disease, right kidney disease and so on. 1. Right lung disease: right lung pneumonia and other diseases may cause back pain on the right side, while patients with pneumonia will have fever, cough, chest pain and other manifestations. 2. Right-sided pleurisy: patients with right-sided pleurisy usually have fever, cough, chest pain, etc., and if it occurs on the back side, back pain may occur. 3. Right-sided frozen shoulder: Generally, degeneration of shoulder joint function and shoulder trauma may cause frozen shoulder, which may be manifested as shoulder and back pain and impaired shoulder movement. 4. Gallbladder and biliary tract diseases: cholecystitis and bile duct stones may cause pain in the right upper abdominal area, which may radically cause back pain, nausea, anorexia, etc., and jaundice may occur in severe cases. 5. Skeletal muscle diseases: right intercostal neuralgia, right back muscle injury, thoracic spine disease may cause pain in the right side of the back, and the pain will be aggravated with activities. 6. Right kidney disease: nephritis and other diseases can cause pain in the lower back, and usually there is blood in the urine and other manifestations. If the right side of the back pain and a period of time can not be relieved, it is recommended to consult a doctor in a timely manner.