Toenail injury, the new toenail deformity, consider with the lack of micronutrients, damage to the nail bed, etc., can be through diet, drugs, surgery and other ways of treatment. 1. Diet: when the patient lacks of trace elements, it may lead to the deformity of the new toenail after the injury, it can be supplemented by dietary trace elements, under the premise of ensuring balanced nutrition, eat more fresh vegetables and fruits, if the lack of iron, you can eat more lean meat, animal liver, etc., lack of zinc, you can increase the amount of fish, nuts and other foods, lack of calcium, you can eat eggs, milk, shrimp and so on. 2. Drugs: when the patient lacks of trace elements, it may lead to the deformity of new toenail after the injury, and the trace elements can be supplemented by drugs, such as oral iron such as ferrous sulfate, ferrous fumarate and so on, or oral calcium such as zinc gluconate, calcium gluconate, calcium lactate and so on, in accordance with the doctor’s prescription. 3. Surgery: If the new toenail is deformed after injury due to damage to the nail bed, surgical treatment can be carried out to restore the toenail to normal by nail extraction or nail bed transplantation. Pay attention to the hygiene of the toenail, go to the hospital in time, under the guidance of the doctor to avoid delaying the condition and causing other damages.