A patient with a fracture can injure the local muscles and capillaries. Injury to the capillaries and muscles can cause local bleeding, which cannot be absorbed in time, and local swelling will form. After the swelling of the fracture, the first step in the specific treatment is to instruct the patient to rest in bed and elevate the affected limb. Within 24 hours of the injury, cold compresses should be applied, such as ice or ice packs to the affected area. After 24 hours, the fracture site should be treated with hot compresses, physiotherapy apparatus baking electricity or microwave apparatus treatment, and can also be applied topical ointment to promote local blood circulation and accelerate the absorption of bleeding, which can effectively reduce swelling and relieve pain. Therefore, the patient must not blindly dispose of the fracture swelling after it occurs by rubbing or massaging the fracture site, so as not to aggravate the degree of capillary damage, aggravate the bleeding and aggravate the degree of swelling.