Exercise a lot of leg cramps may be due to prolonged exercise resulting in leg muscle overstrain, may also be due to a long period of time without exercise, sudden strenuous exercise after the muscle will secrete a large number of lactic acid caused by the exercise should be stopped immediately, can be used to apply hot compresses, massages and other physiotherapy or take medication to relieve, and do a good job of prevention to prevent the reoccurrence of cramps. Patients should stop exercising immediately after the occurrence of cramps, rest in bed and elevate the affected limbs. Hot compresses, traditional Chinese medicine fumigation, massage and other methods can be used to activate blood circulation, accelerate blood circulation, relieve muscle tension. If the patient is accompanied by more serious pain symptoms, oral anti-inflammatory pain medication, such as ibuprofen and other relief. Calcium supplements such as vitamin D can be taken at the same time for treatment. Patients should warm up sufficiently before exercise to prevent leg cramps. If the frequency of leg cramps becomes more frequent, patients should go to the hospital for examination and consultation. The above medications should be taken under the supervision of a physician.