Numbness of the left middle finger caused by cervical spondylosis needs to be treated with cervical traction, medication and surgery according to the condition and individual physique. 1. Cervical traction: Patients with cervical spondylosis often have their cervical nerve roots irritated or compressed, resulting in numbness of the fingers, shoulder and neck pain and other symptoms. Through cervical traction, the irritation of the diseased cervical vertebrae on the nerve roots can be reduced to a certain extent, thus relieving the symptoms. 2. Medication: Neurotrophic drugs such as methylcobalamin can be taken orally, which has the function of nutritive nerve and eliminating nerve edema, thus reducing nerve compression and relieving the symptoms of numbness of fingers. Oral non-steroidal anti-inflammatory drugs such as Loxoprofen and Celecoxib can also be taken for anti-inflammatory treatment. 3. Surgery: If the symptoms are severe or if conservative treatment is ineffective for six months, surgery is recommended. Surgery can relieve the compression and irritation of spinal nerves. The result is better. If you are diagnosed with cervical spondylosis, it is recommended that you undergo standardized treatment under the guidance of your doctor as early as possible to reduce the adverse effects of the disease.