Muscle spasm is often referred to as cramps, may be due to long-term excessive or hard exercise resulting in muscle fatigue and triggered by spontaneous tonic contraction of the muscles, manifested as muscle tension and stiffness can not be relaxed, may be accompanied by pain. Muscle cramps belong to the spontaneous, tonic contraction of muscles, the exact cause is unknown, it is thought that may be caused by improper exercise, excessive exercise, muscle fatigue, cold stimulation of inflammation, trauma and other factors, can be divided into generalized muscle spasms and localized muscle spasms, the onset of pain can be accompanied by a few minutes to dozens of minutes. Clinical treatment for muscle spasm, first of all, to clarify the cause of the disease, for the cause of the treatment. During the onset of muscle pain and spasm, the pain can be relieved by massaging the local muscles or applying hot compresses. The occurrence of muscle spasms need to consult a doctor in a timely manner, to clarify the cause, reasonable treatment.