The common causes of hand cramps in the elderly are the following: First, due to aging degeneration caused by the aging of neuromuscular function also declined, in the activity will cause muscle nerve function disorders, which leads to involuntary muscle spasms, contraction, will appear hand cramps. Secondly, it is often considered nutritional factors, the digestive system of the elderly is also declining, resulting in various trace elements, nutrients, calcium and phosphorus ions absorption disorders, resulting in muscle function calcium deficiency, in the case of calcium deficiency will also appear muscle function disorders, resulting in cramps symptoms. Third, the main consideration is the disease factor, including neurological diseases, vascular diseases and cervical spondylosis, hypertension, diabetes will affect the muscle function of the hand, thus prone to the corresponding cramping symptoms, it is recommended that patients go to the hospital for detailed examination to clarify the causes of cramps.