Paronychomycosis is a local inflammatory change caused by abnormal embedding of nail bed in meat when patients trim their nails too deeply or grow their nails. General patients can relieve the local pain symptoms of paronychia by wet dressing with local vitality iodine gauze and taking out the nails embedded in the meat in time. For patients with abnormal nail bed and pus under the nail bed, nail removal and nail bed plastic surgery are often needed to completely remove local infection. Postoperative patients must pay attention to local disinfection and avoid wearing tight shoes to avoid the recurrence of paronychia.