The possible causes of toe cramps are as follows: 1, caused by calcium deficiency, commonly found in the elderly and pregnant women. At this time, calcium intake is insufficient or consumption is relatively large, can be appropriate to supplement calcium products, may be relieved; 2, cold, especially at night when sleeping may cause cramps phenomenon. In this case, we should pay attention to keep warm, avoid feet exposed to the outside to feel the wind and cold; 3, a relatively rare situation may be restless legs syndrome, mainly self-conscious twitching or acidity, sinking, discomfort, and not necessarily be able to see the toes twitching. If this is the case, and basically in the evening, need to let the doctor to do diagnosis, take medication.