For finger bruise, if the bruise is not much, there is no local pain, it can be self-absorbed, usually in 2-3 weeks the bruise can be completely absorbed. If there is a lot of bruising and localized pain, ice packs can be applied within 48 hours to reduce the occurrence of bruising, in order to reduce swelling and pain, and hot compresses can be applied with a towel to promote the dissipation of bruising after 48 hours. If the bruise caused persistent pain in the finger, it may be a tear in the nail bed or a fracture of the finger causing persistent blood seepage, the patient needs to go to the hospital to take a film to see if there is a fracture, need to be fixed with a finger splint for a month. If there is a tear in the nail bed, the nail needs to be removed and the nail bed repaired, and it will take one month for complete recovery. If there is no fracture in the film, but only bruises, you can use a sterilized needle to release the bruises, which can significantly reduce the pain.