Contusions are usually caused by external forces that cause bleeding in the subcutaneous soft tissue, resulting in pain, swelling and even impaired movement of the limb. When the finger is contused and red and swollen while playing basketball, the movement should be stopped immediately and braked, and objects such as small boards that are commonly found around can be used nearby for fixation to avoid secondary injuries. If you can move in small increments, generally a mild injury, you can compress and elevate the finger area to promote the swelling to subside, and then take cold compresses, hot compresses, medication and other ways to relieve. If the activity is limited, small amplitude can not reach, or there are obvious joint changes, it is a serious injury, there may be a fracture, need to promptly seek medical treatment: 1, cold compress: dip a towel in ice water and put it on the affected area of the finger, you can also choose ice, cold drinks and other objects, wrapped in a towel and put it on the affected area. Cold compress can stimulate the local vasoconstriction, help reduce the swelling of the finger, can reduce to a certain extent the bleeding and trauma reaction after the sprain; 2, hot compress: to be 48 hours later can be hot compress on the swollen parts of the finger, hot compress has the effect of activating blood circulation, can promote blood circulation, help the blood flow operation, promote the recovery of muscle tissue; 3, medication: for severe pain, can use Ibuprofen, aspirin, naproxen and other non-steroidal anti-inflammatory drugs to relieve the pain, and after 72 hours, oral medication to activate blood circulation and resolve blood stasis such as Daqili capsule and Pan Long Qi tablets, etc. You can also choose drugs with the effect of resolving blood stasis and stopping bleeding, activating blood circulation and relieving pain, detoxifying and reducing swelling for external application. If after a series of treatments, the above symptoms still cannot be improved, the possibility of bone fracture needs to be considered and further diagnosis and, if necessary, surgical treatment is required to promote recovery.