The left side of the heel pain, predicting the following diseases: first, common osteophytes are very common, middle-aged and elderly patients occur more, also known as degenerative changes in the bone. x-ray examination can be a clear diagnosis, manifested in the formation of local bone spurs, the typical symptom is pain, especially in the upright position when the activities of the symptom will be more pronounced. In mild cases, conservative treatment is the main choice, and in severe cases, surgical treatment is needed. Secondly, some patients are caused by vascular diseases, especially patients with insufficient arterial blood supply, arteriosclerosis occlusive disease of the lower limbs or vasculitis, due to the stenosis of blood vessels will lead to distal blood supply obstacles, the typical manifestation is ischemic pain. Normally, patients will also show obvious coldness, numbness, after smoking or after activities can also lead to the aggravation of lower limb ischemia, should change the bad habits, symptomatic treatment.