Nails can usually be restored if they fall off, but if the nail matrix has been damaged, it will be more difficult to restore the nail to its original state, which needs to be judged according to the individual’s situation. If the nail has fallen off, but the nail matrix has not been damaged, the nail can usually be restored to its original state, and over time, the nail tissue will gradually grow back to replace the damaged area and return to its original state. If the nail has fallen off, but the nail matrix has been damaged, there is serious damage, may affect the later growth of the nail, whether it can be restored to its original state can not be accurately judged, some people may be restored to its original state, some may not be restored to its original state. Usually need to do a good job of nail maintenance, if there is nail damage and other symptoms appear, it is recommended to actively seek medical examination and treatment.