Burning sensation in the arm, there may be the following reasons: 1, it may be dominated by the arm of the nerve inflammation or injury, common is the labor nerve, ulnar nerve or median nerve and armpit brachial plexus nerves, if there is an injury or inflammation, there may be nerve sensory abnormality and burning sensation, or other ants crawling symptoms or tingling, and even numbness of the symptom may occur. 2, it may be cervical spondylosis caused by degenerative changes in the cervical spine, such as disc herniation, osteophytes or small joint misalignment, thus compression of the upper limb nerve root will occur. 2, may be cervical spondylosis caused by degenerative changes in the cervical spine, such as disc herniation, osteophytes or small joints dislocation, compression of the nerve roots of the upper limbs, which will appear the upper limbs of the nerve sensory abnormality and the burning sensation, numbness, pain and so on. 3, may be the arm of the skin by the hot water scalded or burned by the chemical substance caused by the burns. Generally can show skin flushing, and even the formation of blisters.