There is no prescription and remedies for cramps are not the right way to go. Cramps can be caused by strenuous exercise, cold stimulation, calcium deficiency, etc. They can be improved by changing exercise habits, stretching, physical therapy, and medication. 1. Strenuous exercise: strenuous exercise without a good warm-up before exercise will lead to muscle overwork and cause cramps. At this time, the muscles can be pulled in the opposite direction to relax the muscles and reduce the symptoms. At the same time, pay attention to a good warm-up before exercise to avoid muscle injury. 2. Cold stimulation: local muscle cold stimulation, will cause vascular contraction, blood flow reduction and muscle undernutrition prone to spasm. In order to relieve cramps, you can use magnetic therapy or wax therapy and other physical therapy to promote blood circulation in local tissues, relax the muscle tissue and improve the symptoms. At the same time, we should pay attention to keep warm in our life. 3. Calcium deficiency: A decrease in calcium ions in the body will lead to an increase in neuromuscular excitability, which will result in abnormal muscle activity during contraction and diastole and cramps. In order to improve this symptom, under the guidance of a professional doctor, you should take an appropriate amount of vitamin D, calcium supplementation of the body. In conclusion, it is recommended to visit a hospital to identify the cause of the cramps and to treat the cause of the cramps.