How to treat the deformity of newborn finger cap: the baby is now more than two months old. At birth, the fingernail of the left index finger is curved, smaller and harder than other fingernails. It feels like being squeezed by meat, it can't grow, and the growth rate of nails is slower than other nails. Can you have an operation to make it look like a normal nail? When is the operation suitable? Results of laboratory tests: Last visit to the hospital: Department of Burn and Plastic Surgery, Air Force General Hospital Cao: Congenital malformation. It is recommended to have nail transplantation after 5 years old, and take nails from toes for transplantation. Too young children don't cooperate, and it is easy to bleed after operation, which leads to snow under the transplanted nails.