When the nail bed is separated because of trauma, there is a possibility of self-healing, but it can not be generalized, patients may be infected during treatment, so the specific situation needs to be judged under the guidance of the doctor. In daily life, the nail surface by the impact of the phenomenon may occur when the nail bed separation, it is recommended to go to the hospital in time for examination, and under the guidance of the doctor using iodine povidermabrasion, bandaging, regular change of treatment, to avoid the occurrence of infection can be, generally can be self-healing. Patients in the treatment period, should pay attention to keep local clean, diet should be light, avoid eating too spicy, stimulating food. And take amoxicillin, cefaclor and other antibiotics to prevent infection. When the nail bed is separated because of trauma, please strictly follow the doctor’s instructions to avoid infection, so as not to affect the recovery of the condition.