If the patient has numbness in the thigh, the causes include lumbar disc herniation, local injury, etc., as follows: 1, lumbar disc herniation: after the spinal cord or nerve root compression in the spinal canal, it is easy to cause numbness in the thigh. 2, local injury: injury to the thigh area, easy to cause numbness, pain, limited activity in the thigh area. 3, other diseases: sciatic neuritis, sciatic nerve injury or pear-shaped muscle syndrome, also easy to cause numbness in the thigh area. Sciatic nerve injury or have pear-shaped muscle syndrome, also easy to cause numbness symptoms in the thigh area. In the case of numbness in the thighs after the patient, it is necessary to consult the cause to identify the cause, to promote the cause of treatment to reduce the symptoms of numbness in the thighs and recovery. When the symptoms of numbness in the thighs are obvious, you can use hot compresses, acupuncture, moxibustion and other therapies, together with non-steroidal anti-inflammatory drugs and neurotrophic drugs to relieve the symptoms of numbness in the thighs.