Nails are empty, that is, the nails are under the influence of some external factors leading to nail shells, this situation is the most common ringworm as well as trauma, it is necessary to cut off the diseased nails in the treatment. 1. ringworm caused by the shell and ringworm fungus on the nail plate and the nail bed caused by the impact of the treatment needs to choose antifungal drug treatment. In order to make the antifungal medication give full play to the therapeutic effect, you can remove the diseased nails before applying the medication externally. 2. Nail buckling caused by trauma is also more common in the clinic. Since the damaged nail bed may affect some normal activities, the diseased nail can be removed in some ways. For sick nails that do not affect normal activities, there is no need to do too much treatment. Since there are some individual differences in clinical manifestations, you can ask your doctor for an interview before deciding on the treatment plan.