Finger numbness and swelling to be alert to rheumatoid arthritis, carpal tunnel syndrome, cervical spondylosis and other diseases, the specific disease need to go to the hospital to determine the examination. 1. Rheumatoid arthritis: rheumatoid arthritis is generally caused by genetics, microbial infections, long-term smoking and other reasons, the patient’s early joints will appear pain or pressure, common parts of the fingers, wrists, shoulders, etc., with the development of the disease, the patient’s joints will be swollen, pain, numbness, and other symptoms, and some patients will also appear deformity of the joints. 2. Carpal tunnel syndrome: Carpal tunnel syndrome is generally caused by the increase of the contents of the canal, long-term wrist compression, carpal tunnel lumen becomes small, etc. Patients will have intermittent sensory abnormalities or sluggishness of the wrist at the initial stage, and persistent pain and numbness of the fingers in the middle stage of the disease, and when the condition is serious, patients’ muscle strength will decrease, and there will be difficulty in stretching. 3. Cervical spondylosis: cervical spondylosis is caused by inappropriate posture, excessive physical exercise, sudden impact, etc., the patient’s early neck pain, stiffness, with the development of the disease, the patient’s limbs will be numbness, swelling, pain, etc., when the condition is serious, the patient will also have symptoms of muscle atrophy. If there is numbness and swelling of the fingers, you can first observe for a period of time, if accompanied by other symptoms, you should promptly go to the hospital for medical treatment.