People have the experience of washing their hands with snow, and often see the sports field, athletes are injured, the team doctor runs up, take the bag of things to put on the injury, that is mostly with ice cold compress. Ice can effectively control the pain and swelling, in most cases, after simple treatment, athletes can play again, of course, there are other measures and methods, but the cold compress is indeed a simple and effective method. Now people know more in the early stage of injury cold compress, later line hot compress, in fact, for some pain or can be used, such as muscle spasm, muscle tension caused by neck, shoulder and lumbar pain, such as sitting in front of the computer for a long time, there will be neck and shoulder soreness, and even pain, people use hot compress, in fact, cold compress is still very effective, cold compress can effectively control the pain and inflammation response. Cold compress is effective, but how to cold compress it, in fact, is very simple, available wet towel into the refrigerator amount of frozen, ice crystals appear, you can put it to the pain site, cold compress. Ice can also be, but pay attention not to place it directly on the affected area, it is best to use a towel wrapped to avoid frostbite. The time and interval depends on the condition. For acute injuries, they can be applied once every 2 to 4 hours at intervals of 15 to 20 minutes. For non-acute, the interval can be 4 to 6 hours. Can it be used for all people and all pain? No. One should pay attention to one’s own constitution, and different people have different reactions to and effects of cold compresses. And there are some diseases can not be used cold compress or its effect is poor, such as shoulder rotator cuff injury, due to the site of deep in, the effect is not good to say.