Hand numbness after cervical spondylosis surgery may be caused by nerve irritation when removing the intervertebral disc or soft tissue edema compressing the nerve after surgery, which can be treated with methylcobalamin to nourish the nerves, mannitol to dehydrate and reduce the swelling. When cervical spondylosis surgery removes the intervertebral discs and bony cumbersome, it is possible to irritate and squeeze the nerves in the neck, causing slight damage to the nerves or the soft tissue edema around the operation opening compresses the nerve root after the surgery, and the symptom of numbness of the hand may occur. Treatment is based on symptomatic treatment, you can use nutritive nerve drugs, such as methylcobalamin nutritive nerve, use of dehydration to reduce swelling drugs, such as mannitol dehydration to reduce swelling and so on. Hand numbness after cervical spondylosis surgery, it is recommended to consult a doctor in time, under the guidance of the doctor for treatment.