Bone marrow edema of sciatic node is divided into physiological and pathological conditions. 1. Physiological conditions: Physiological conditions lead to bone marrow edema of the sciatic node is caused by long-term external force or excessive weight bearing, long-term sedentary bone marrow edema, this situation caused by bone marrow edema, generally through rest for one to two weeks can be relieved. 2. Pathological conditions: pathological conditions of bone marrow edema may be due to pathogenic infections, rheumatoid arthritis and other conditions, resulting in increased capillary permeability caused by the use of targeted antibiotics for infections, most of the yellow staphylococcus, you can use the methicillin-resistant penicillin treatment for rheumatoid arthritis and other conditions, you can use glucocorticoids, such as prednisone, for treatment. Bone marrow edema of the sciatic node may be caused by other reasons, such as osteoarthritis, tumors, etc. It is recommended to consult a doctor for a clear diagnosis, and follow the doctor’s instructions for specific treatment. All of the above drugs should be used under the guidance of a physician.