Ear piercing, should be referred to the ear socket nails, ear piercing belongs to invasive injury, there are certain risks, such as local soft tissue infection, local cartilage damage, scarring and so on. 1. Local soft tissue infection: the operating instruments for playing cochlear nails are not strictly sterilized, and the wound is not well cared for after playing cochlear nails, such as water, wound contamination may lead to local soft tissue infection, slow wound healing, local redness, swelling, pain, pus and other discomforts, which may lead to suppurative auricular cartilage inflammation. 2. Local cartilage damage: the operator is not skillful in playing the ear nail technique, which will lead to local damage to the auricular cartilage, and the recovery time after cartilage tissue damage is relatively long, which will also have an effect on the organism. 3. Scar hyperplasia: people with scarred body to play the ear socket nail, may cause skin scar hyperplasia, cartilage hyperplasia. Hitting the ear socket nails will have a certain risk, but not absolute, determined to hit the ear socket nails, it is recommended to go to the regular medical institutions to deal with.