When lifting the buttocks, the right foot feels a little numbness may be due to long time posture immobilization, lower extremity vascular stenosis, lumbar intervertebral disc herniation and other reasons. 1. Prolonged posture immobility: If you keep standing for a long time in the same posture when lifting the buttocks, it may lead to poor local blood circulation so that the local nerves are compressed, and there is a bit of numbness in the right foot. This is a normal physiological phenomenon, change posture activities can be relieved. 2. Lower extremity vascular stenosis: If the lower extremity venous embolism or stenosis occurs, it can cause the lower extremity blood supply is insufficient, which may lead to the lower extremity ischemia and hypoxia aggravated when lifting the buttocks, and the phenomenon of a little bit of numbness of the right foot occurs. 3. Lumbar disc herniation: lumbar disc herniation can cause nucleus pulposus to compress the nerve root, when the patient lifts the buttocks due to the increase of muscle pressure, it can aggravate the symptoms of nerve compression, and there is pain and numbness in one side of the lower limbs, and there will be the symptom of numbness in the right foot. When lifting the buttocks feel a little numbness of the right foot should rest more, if the symptoms can not be relieved in time, the patient should go to the hospital in a timely manner, to clarify the cause of the disease and targeted treatment. Daily attention to avoid overwork, long time to keep the same position, appropriate more rest.