Early cold compresses after muscle strain will relieve pain, muscle strain in the middle and late cold may cause pain aggravation. 1. Muscle strain early: muscle strain early can make ice or cold towels for cold compresses, so that the strained parts of the skin temperature is reduced, prompting capillary contraction to relieve pain. Generally three days after the strain can use hot water bags to promote local blood circulation, accelerate the absorption of bruises, and promote the repair of damage. 2. Muscle strain in the late stage: if the strain in the late stage of the strain parts of the cold will cause blood circulation slows down, bruising is difficult to absorb, bruising stimulation will cause pain aggravation. 3. After muscle strain, we should pay attention to the brake and appropriate rest, can take oral anti-inflammatory analgesic drugs, such as diclofenac sodium, meloxicam and so on. If inadvertently caused muscle strain, it is recommended that the patient go to the hospital to improve the examination and receive regular treatment.