Trauma bruised toenail empty is not recommended to be cut off early. Trauma caused by the toenail empty, and there is bruising inside, usually do not need to do special treatment, do not recommend cutting off the nail. You can use a warm towel to promote local blood circulation, thus accelerating the body for the absorption of blood, the symptoms will be improved. If there is no obvious pus or redness at the root of the nail, the body has a certain degree of self-healing. After the new nail grows out, it will fall off by itself. When the new nail grows out, it is brittle and easy to be damaged, so you can cut off the excessively long nails to protect the remaining part of the nail and the nail bed. If too many nails are cut off arbitrarily, bacterial infection may result in pus formation due to factors such as environment, equipment or improper sterilization. It is recommended to use saline to clean the wound and then disinfect it with povidone-iodine, and also pay attention to keep the wound hygienic, you can also take some anti-inflammatory drugs orally. If the disease is aggravated, it is necessary to get to the hospital in time for treatment, so as to avoid adverse effects.