Patients with toenail injuries after local blackening, according to the severity of the local injury to take different treatment: 1, if the degree of injury to the toenail is more serious, local tissue due to ischemia blackening, you need to improve the local X-ray examination as soon as possible to determine whether there is a local fracture. If a fracture occurs, surgery is needed as soon as possible to treat the internal fixation of the fracture, postoperative analgesia, anti-infection, rehydration, dilation and other drug support treatment to promote faster recovery of local soft tissue damage, so as to achieve better results. 2, if the toenail is less damaged, only a small amount of local bruising, resulting in local toenail blackening, at this time to the patient local brake, through the external application of blood circulation and stasis cream, oral Swelling and pain, bruising and injury pills and other drugs to improve local blood circulation, toenail in about 1 week can be completely repaired, so as to achieve better results.