Ingrown nails are inflammation of the nail groove caused by the distal end of the nail sticking into the tissue near the nail groove. Generally speaking, ingrown nails are caused by heredity, poor nail cutting methods, wearing shoes that are too tight and too small, and after trauma. The most common is the habit of cutting the nail too short, like to cut the nail on both sides of the tip too deep, slowly will cause the nail bed (that is, the tissue under the nail) stimulated to widen, the nail on both sides of the tip is less and less easy to cut off, and finally can not be cut off the nail tip as the nail grows into the flesh caused by infection, generally speaking, if you can still remove the nail tip into the flesh, and then wait for the nail to gradually grow long enough to grow out of the nail groove No longer stuck into the flesh, maintain a certain length of the nail, and in the nail cutting time do not cut too short or specifically cut both sides, will heal, in the process with a low concentration of potassium permanganate solution soak feet twice a day, with warm water to dissolve potassium permanganate (ordinary basin, half a tablet of potassium permanganate, more than half a basin of water) water temperature is not too high, soak feet time is generally about ten minutes, not too long, note that the water temperature Too high, too high concentration and soak feet for too long may burn the skin, soak feet after rinsing with water, dry and use 75% medical alcohol to rub the red swelling, while taking oral broad-spectrum antibiotics, if slowly improve, such as nail open long will be healed, if the symptoms can not be reduced, or aggravated, indicating that the tip of the nail has been embedded in too deep, you need to visit the hospital to perform ingrown nail removal, otherwise it is difficult to heal. Complications of surgery include wound infection, prolonged nail growth and the need for secondary surgery. Supplementary: during conservative treatment wear wide shoes or slippers, keep dry and do not bandage the wound (except for wounds that are too large), reduce walking, and raise the affected limb too high to reduce swelling and promote venous reflux, which will reduce symptoms.