Toenail smashed bruises, if the extent of the smashed is not particularly serious, the nail bed is not seriously damaged, the amount of local bruising is not much, you can apply cold compresses or ice packs to the local area within 48 hours, which can promote capillary constriction, reduce the amount of capillary bleeding, and have an analgesic effect. After 48 hours, hot compresses can be applied to promote local blood circulation, which helps eliminate bruising and reduce swelling, as well as local braking, and infrared radiation and other forms of physical therapy to make the bruising quickly absorbed, which can generally return to normal within a week. If the toenail is severely damaged, the toenail is separated from the nail bed and the bruise is large, you should go to the hospital as soon as possible, and remove the toenail after local anesthesia and remove the bruise, then apply Yunnan Baiyao and use sterile gauze to stop the bleeding. Before recovery, attention should be paid to preventing infection, keeping the affected area free of water and changing the medication regularly to ensure that the affected area is sterile, breathable and dry, which is conducive to the healing of the affected area.