The Vaseline gauze that covers the toenail after extraction usually needs to be used for about a week, and the Vaseline gauze should be changed every 2~3 days. After serious trauma or infection of the toenail, it is often necessary to remove the damaged toenail to facilitate the recovery, the newborn toenail is regrowth on the basis of the nail bed, therefore, the protection of the nail bed is particularly important. For toenail extraction with petroleum jelly gauze cover, on the one hand, can effectively block the bacteria and wound contact, to avoid causing infection; on the other hand, petroleum jelly gauze can also promote the generation of granulation tissue, is conducive to the healing of the wound. It should be noted that in the early stage, more fluid is drained out, so the gauze needs to be changed again every 2~3 days or so, and the gauze covering needs to be removed in a week or so. When the toenail is removed be sure to do a good job of changing the dressing, if there is discomfort at the wound, you should go to the hospital in time to avoid the disease from progressing.