Nail groove plasty is a kind of surgery commonly used in the treatment of ingrown toenails, and its main steps include preoperative preparation, removal of diseased nails, reconstruction of nail grooves and so on. 1. Preoperative preparation: the patient takes the lying position, the affected area is routinely sterilized, and local infiltration anesthesia is applied. 2. Surgical operation (1) Remove the diseased nail: often along the nail on the affected side of the lesion on both sides of the outer edge of about 2mm will be lesions of the nail groove and nail, nail bed, nail wall skin and toenail matrix together with the excision, deep to the toe bone, and then the scalpel will embedded inertia part of the mother of the nail from the surface of the bone scratching the complete destruction of the toenail. (2) Reconstruction of the nail groove: use hydrogen peroxide, saline, antibiotic solution to rinse the wound until clean, then suture to establish a new nail groove. It should be noted that the nail bed of the newly formed nail groove on the affected side should be higher than the skin tissue of its anterior margin. If there is any discomfort, prompt medical attention is recommended.