The common clinical causes of bone pain in adolescents include growing pains, bone injuries, and primary bone tumors. 1. Growing pains: Adolescence is a period of rapid bone development and growth, and the bones will grow rapidly under the action of growth hormone secreted by the body, and the osteoblasts split more frequently. There is no clear reason for growing pains, often associated with abnormal bone metabolism function, psychological factors, anatomy and limb activities, clinical manifestations mainly in the lower limbs of the knee, hip or ankle joint pain. 2. Skeletal injury: young people are hit by external force or incorrect posture in the process of sports, resulting in minor injuries to the joints or bones, clinical manifestations of bone pain, swelling of the affected area. 3. Primary bone tumor: osteosarcoma is more common, the disease is mostly seen in adolescents, mainly around the knee joint and shoulder joint, clinical manifestations are pain in the corresponding parts, obvious pain at night, elevated surface temperature, veins, etc., and it is often accompanied by obvious swellings, which should be consulted in time. If there are corresponding uncomfortable symptoms, you should go to the hospital as soon as possible, through the examination to clarify the diagnosis, and follow the doctor’s instructions for treatment.