Playing ball accidentally swollen finger is usually due to the accumulation of fluid in the joint, you can use general treatment, medication and so on. 1. General treatment: within 72 hours of finger swelling, you can use ice packs to avoid swelling worsening, analgesic and anti-inflammatory. After 72 hours, hot towels can be used to promote blood flow, accelerate the recovery of the injury, can also be supplemented with infrared, massage and other physical therapy to promote recovery. 2. medication: you can use Yunnan Baiyao and other blood circulation drugs to help reduce swelling, if the pain is severe, you can use sodium heptaphyllum saponin tablets and other analgesics to reduce inflammation and pain. Swelling of the fingers is a relatively common phenomenon in ball games, which should be well protected in sports. Recovery treatment process need to follow the doctor’s instructions, to do less sports injury.