Pain occurs in the little finger of the right hand, the following causes are common: First, carpal ulnar canal syndrome, carpal ulnar canal is composed of pea bone, hook bone, palmar carpal ligament and ulnar carpal flexor tendon expansion part together, ulnar nerve through the carpal ulnar canal into the hand, distributed to the little finger and ring finger, collect the sensation of the above parts, when trauma occurs in the wrist or the formation of tendon sheath cyst, hemangioma, etc., can cause ulnar nerve compression, clinical manifestations are Little finger pain, muscle weakness. Second, cervical spondylosis, the typical radicular symptoms of cervical spondylosis, its scope is consistent with the affected vertebral segments, neck and shoulder, posterior neck pain and along the nerve root distribution area, downward dispersion to the forearm and the small finger, the lighter for persistent pain, swelling pain, the heavier can be like a knife cut, needle-like pain, sometimes accompanied by skin irritation, touching a feeling of electric shock.