Numbness and soreness in the right leg of women can be caused by the following reasons: first, lumbar disc herniation, lumbar disc herniation can compress the nerve roots, and the symptoms of numbness and soreness in the legs, often numbness and soreness are more obvious when sitting for a long time, getting cold, bending over and holding things, then we should take CT and MRI of the lumbar spine for early diagnosis. Secondly, pear-shaped muscle syndrome, pear-shaped muscle syndrome can compress the sciatic nerve and lead to leg numbness and soreness, which should be diagnosed and treated by early physical examination and electromyography of the lower limbs. Third, cold, cold can also lead to leg numbness, aching symptoms, can be unilateral, but also bilateral, then to early out of the cold environment, pay attention to keep warm, most patients can be relieved.