Knee trauma after the swelling, may be local soft tissue injury, swelling; may also be fracture and other conditions caused by swelling; and meniscus injury after the local swelling, you can go to the hospital in time to find a doctor’s interview, the doctor combined with the preliminary analysis of the examination, the routine improvement of the knee X-ray examination, to determine the presence of fracture. If you consider the swelling caused by meniscus injury, you need to improve the magnetic resonance examination of the knee joint. If it is only soft tissue injury, swelling, local can spray swelling pain aerosol. In addition, you can take oral blood circulation and pain relief capsule. If there is a fracture without obvious displacement, timely cast fixation and braking can help reduce local swelling, while elevating the limb. If there is a knee meniscus injury, you can consider the use of drugs to activate blood circulation and eliminate blood stasis, such as blood circulation and pain relief capsule or danshen tablets for treatment. Severe meniscus injury and swelling need to be considered for arthroscopic management.