The cause of meridian numbness, if appear in the upper limbs, may be because of the cervical intervertebral disc compression to the nerve, caused by nerve irritation in the upper limbs caused by numbness. If appear in the lower limbs, may be because of lumbar disc herniation or spinal stenosis, compression to the lumbar spine nerve caused by the meridian numbness. There is also a kind of meridian numbness belongs to diabetic patients, diabetic patients’ peripheral nerves if the damage, in the foot may appear touch sensation or numbness, these can be judged by simple examination. Cervical spondylosis produces numbness of the meridians, accompanied by pain, and this pain is very obvious, especially at night will be more serious. Numbness caused by lumbar disc herniation is sometimes accompanied by weakness and is aggravated by walking or sitting. The numbness caused by diabetes can be felt by bilateral palpation, such as touching the skin of both feet to see if the sensation is the same, if the sensation of one foot is significantly reduced, it means that the circulation of this foot may be poorer, which will cause numbness. So to determine the cause of meridian numbness, you can use the above points to self judgment.