One side of the hip bone pain, consider the soft tissue injury, hip synovitis, femoral head necrosis and other conditions. 1. Soft tissue injury: If one side of the hip bone has been traumatized by external force recently, such as impact, fall, etc., which leads to soft tissue injury in the hip bone area, the symptom of pain in one side of the hip bone will appear. At the same time, some patients will also appear in the hip bone part of red, swelling, local blood seepage and other symptoms. 2. Hip synovitis: a common clinical disease, mainly due to the patient’s hip impact and other external trauma, or long-term running and other sports, resulting in excessive strain on the hip joint, hip joint bacterial infection and other factors. Patients often appear in the hip joint area swelling, pain, pressure pain and other symptoms, unilateral attack of patients can be manifested as a side of the hip bone pain. 3. Necrosis of the femoral head: this disease is one of the common diseases that can lead to hip disability in young adults, the cause of which is more complex, and the clinical consideration is related to the patient’s hip trauma, long-term application of glucocorticoid drugs, long-term or excessive alcohol consumption and other factors. The disease often leads to hip soreness or pain, with the development of the disease, the discomfort can spread to the groin area, and the discomfort can be aggravated, leading to symptoms such as claudication. There are many reasons for hip pain on one side of the patient, and it is recommended that the patient first consult a doctor for examination to clarify the specific cause of the disease, and then follow the doctor’s instructions for treatment.