If the symptoms of finger cramps always appear, it may be caused by the following reasons: 1, patients usually live in a cold environment, work or life and easy to encounter cold water, resulting in cold, causing hand finger muscles and other tissues spasm, convulsions. 2, the patient’s weak, malnutrition, resulting in a lack of calcium ions in the body, causing finger cramps. 3, caused by strain, patients engaged in physical labor, using their hands more 4, the patient’s fingers have a history of contusion or sprain, so that the finger muscles, tendons and other tissues are injured, spasms occur and cramps appear. Whatever the cause, once the patient has cramps, he should rest, brake, to reduce labor, and pay attention to keep warm, and if necessary, he needs to go to the hospital for auxiliary examination. If it is a calcium deficiency, calcium should also be supplemented in a timely manner.