If the dural sac of cervical vertebrae 6-7 is compressed, the possible symptoms include numbness, pain and weakness of upper limbs, numbness of lower limbs, feeling of stepping on cotton on both feet, and autonomic dysfunction. 1. Numbness of upper limbs, pain, weakness of hands: If the cervical dural sac of the 6-7th vertebrae is mildly compressed, and the nerve roots are also compressed, corresponding symptoms may be manifested, such as numbness of the upper limbs, weakness of the hands, which results in the impact of holding chopsticks, lifting objects, fastening buttons and other fine movements. 2. Lower limb numbness, feet feeling like stepping on cotton: with the further development of the disease, the dural sac pressure is obvious symptoms, manifested as lower limb numbness, feet feeling like stepping on cotton, and accompanied by the weakness of both lower limbs, as well as chest and abdomen binding sensation. 3. Autonomic dysfunction: If the dural sac of cervical vertebrae 6-7 is compressed, incontinence and delayed quadriplegia will occur in severe cases. If symptoms of cervical vertebrae 6-7 dural sac compression occur, it is recommended to go to the hospital in time for early treatment.