Ankle fall fracture cast, leg bruising blisters, cold compresses in the early stage of injury, 72 hours after the change of hot compresses to promote circulation, blisters can be iodine vodka disinfection with a syringe suction capsule fluid, and then sterile gauze bandage. Bruising of the leg after a fall and fracture is due to subcutaneous soft tissue damage, capillary rupture bleeding caused by cold compresses in the early stage of injury can make the capillary contraction, reduce bleeding, 72 hours after the injury, localized hot compresses can promote circulation, accelerate the absorption of bruises, but also can be sprayed in the affected areas of Yunnan Baiyao and other treatments. Skin blistering may be subcutaneous bruising, poor circulation leads to oozing, can be sterilized by the doctor, with a syringe puncture suction capsule fluid, suction after the sterile gauze bandage, to be localized after the swelling subsides, blisters will also disappear. After the injury, it is recommended to go to the regular hospital in time, follow the doctor’s instructions to standardize the treatment, and have discomfort timely follow-up.