Cervical 4-5, cervical 5-6 disc herniation can appear the following symptoms: 1, neck pain, soreness and discomfort, especially in the neck when sleeping in an incorrect posture, cold, head down, neck soreness and discomfort is more obvious. 2, numbness of the upper limbs, when the cervical disc herniation compresses the nerve roots, can appear the symptoms of numbness and weakness of the upper limbs, according to the different segments can have different distribution areas of the skin sensory disorders The numbness and weakness of the upper extremities can occur when a herniated disc compresses a nerve root. If a herniated disc compresses the spinal cord, numbness and weakness of the lower extremities can occur, and there can be a feeling of stepping on cotton when walking, or symptoms of unstable walking direction. 3. If a herniated disc of cervical 4-5 or cervical 5-6 compresses the spinal cord, it can also lead to symptoms of diphtheria, constipation or diphtheric incontinence, which should be further diagnosed and treated with relevant MRI.