Knee pain after exercise, depending on the pain before the movement, the degree of injury: 1, simple daily exercise after the pain, pay proper attention to rest, the pain may be significantly relieved; 2, if there is local swelling, and does not affect the joint activities or daily life, local can take appropriate ice and other such methods to reduce inflammation, can be appropriate to wear protective gear for protection; 3. 3, if it is obvious that the injury, must pay attention to rest, because once the activity, the pain will intensify, representing the injury is heavier; 4, must avoid the so-called containment, that is, to overcome the pain, continue to increase the way to train, which may cause the injury aggravated, producing heavier consequences. So after a sports injury, the first thing to do is to rest properly, proper protection, if there is swelling, we can appropriate ice, topical application of some blood circulation drugs, but if there is a local wound, should avoid direct external use, but also pay attention to whether there is an allergy, the drug paste should not be too long, the area of ointment application should not be too large.