After a muscle contusion, it can lead to rupture and bleeding of local capillaries, causing swelling and pain. The following methods of treatment are available: 1. When the injury is fresh, it is recommended to use cold compresses, you can use ice, or ice water mixture to apply externally, preferably on the surface of the skin across a layer of cotton cloth to prevent frostbite. 2. Apply some ointments to relieve swelling and pain, activate blood circulation and resolve blood stasis, such as indomethacin babu cream, compound nanxing pain relief cream or pain relief paste, etc., which can have the effect of reducing swelling and pain. 3. If the pain is more severe, you can take oral non-steroidal anti-inflammatory drugs to anti-inflammatory and pain relief treatment.