Nyonya, who is in the first grade, had purulent dactylitis and underwent incision and drainage. I watched Nyonya’s pain every time I changed the medicine and listened to her cries of pain. Dad and mom were heartbroken. The reason for this is that mom trimmed Niu Niu’s nails a week ago. The nails were cut too short, hurting the skin, which in turn became infected and caused a purulent dactylitis. Liu Lin, Department of Plastic and Reconstructive Surgery, First Affiliated Hospital of Zhengzhou University Finger (toe) nails, as one of the accessories of the skin. It has a “shield” role, can protect the end of the finger (toe) abdomen from injury, maintain its stability. Doctor’s tip: Finger (toe) nail has a function, cut over there are harmful! It may cause onychomycosis, ingrown nail syndrome, purulent dactylitis, and even osteomyelitis of the finger bone. Medical advice: Trimming finger (toe) nails should be moderate, to let the finger (toe) nails to fully cover the end of the finger (toe) head. “Better to hurt shoes and socks than to hurt skin and flesh!” is the principle! Shoes and socks can be replaced with new ones; there is no substitute for pain! The nail is incidental to the finger, and the finger is covered by it; if you trim it too much, the skin and flesh will be injured.