A toenail that grows into the flesh is called an ingrown nail and can easily lead to infection of the injury to form onychomycosis. Treatment methods include medication and surgery. 1. Medication: use disinfectant (such as iodophor, alcohol, etc.) and take antibiotics such as amoxicillin and cefaclor to prevent infection. If the pain is serious, you can take ibuprofen, diclofenac sodium and other pain relieving drugs. 2. Surgical treatment: Surgical methods include full or partial nail plate extraction, nail plate resection and so on. Trimming or removing the nail that grows in. For abscesses that have formed, incision is needed to drain out the pus, and regular medication changes are required. 3. Daily: usually pay attention to the correct trimming of nails, wear appropriate shoes, pay attention to local dryness, avoid strenuous exercise. Avoid walking for a long time to reduce the pain. If ingrown nails appear, it is recommended to go to the hospital for consultation and treatment in time to avoid complications such as onychomycosis.