The severity of cervical herniation of 2 to 3 millimeters needs to be decided according to the degree of compression of the protruding nerve roots and spinal cord, as follows. 1. No obvious compression: If the cervical herniation of 2 to 3 millimeters protrudes forward or to the lower and upper protrusion does not form compression of the nerve roots and spinal cord, the patient usually has no obvious symptoms, and this time is generally not serious. 2. Light degree of compression: if the cervical herniation of 2 to 3 millimeters to the side and back of the compression of the nerve root in the rear, the compression of the nerve root is light, the patient appeared in the upper limb pain, numbness and other symptoms, at this time, the patient can be through the hot compresses, such as physiotherapy, loxoprofen, and other medications and other conservative treatment to alleviate the symptoms, at this time, generally is not serious. 3. Heavy compression: If the cervical vertebrae protrude 2 to 3 millimeters to the back of the spinal cord compression, the patient can appear lower limb weakness, or even paralysis and other symptoms, at this time is generally more serious, the need to take surgery to relieve the compression. Patients with cervical herniation of 2 to 3 millimeters are recommended to go to the hospital in time to improve the relevant examination and clarify the degree of compression for further treatment.