Smashed foot will appear red, swelling, heat, pain, can be through rest, brake, cold compress, hot compress, elevate the affected limb, medication, etc. to reduce swelling and pain. 1. Rest, brake: foot smashed should pay attention to rest, smashed foot to avoid walking on the ground. 2. Cold compresses, hot compresses: cold compresses can be applied within 72 hours after the injury to prevent the swelling of the injured part from increasing; hot compresses can be applied after 72 hours to promote the dissipation of swelling. 3. Elevate the affected limb: after the foot smashing injury, elevate the affected limb as much as possible to promote venous return and reduce swelling. 4. medication: after smashing the foot swelling and pain obvious, can be used externally or oral pain medication, such as diclofenac diethylamine latex, panax ginseng tablets, ibuprofen capsules, etc., can relieve the symptoms of swelling and pain. Surgery may be needed for more serious injuries, and it is recommended to seek medical attention as soon as possible and go to the hospital for relevant examinations. The above drugs should be used in accordance with the doctor’s instructions, do not use drugs blindly.