The knee, also known as the knee joint, for the knee fall caused by swelling recovery time, determined by the extent of the fall, depending on the extent of the fall, can be divided into in 2-3 weeks recovery or 1-2 weeks recovery, as follows: 1, 2-3 weeks recovery: in serious cases of knee falls may cause fractures, such as tibia, patella, such fractures produced by the hematoma accumulation in the joint cavity, absorption takes some time, while the need to combine Treatment of the fracture, the swelling of the knee mostly takes 2-3 weeks to gradually subside. If the hematoma is caused by an injury to the ligaments within the knee joint, then the absorption of this hematoma will also gradually subside in 2-3 weeks after braking the knee. In addition, fractures and ligament injuries need to be treated. 2. 1-2 weeks recovery: For common soft tissue injuries of the knee, after excluding ligaments and fractures, ice packs can be given at the first stage and heat packs at the second stage, and in most cases, the swelling will gradually subside within 1-2 weeks.