If the situation is not serious, you can disinfect the nail with alcohol and trim it correctly to avoid skin damage caused by continued growth. For nails growing into the flesh has caused infection, pay attention to the nail area clean, disinfection, oral anti-inflammatory drugs for anti-infection treatment, local can use fusidic acid cream topical application, or oral rosmarinic acid, after the elimination of inflammation to deal with nails. For severe infections, an incision and drainage is required to remove the pus to help eliminate the inflammation. It is important to observe the direction of growth during the nail re-growth process, and if necessary, to cut off part of the nail bed so that the re-grown nail will not grow into the flesh.