It is not recommended to change your own medication after a nail extraction. Due to the fact that after nail extraction, the wound will ooze blood and fluid, it is not recommended to change the dressing by yourself. When changing the dressing, soak the dressing gauze with iodophor or saline before removing the gauze, so as not to add new wounds due to violence. After removing the gauze, it is necessary to observe the recovery of the nail bed, pay attention to whether there is any redness or swelling of the trauma, strictly disinfect, cover the nail bed with sterile oil gauze, and then use sterile gauze to bandage the nail bed, and at the same time pay attention to the strength of the bandage, and observe blood flow. If the patient in the process of changing their own medicine, the patient appeared obvious blood seepage, oozing, it is recommended that the patient timely to the hospital, under the guidance of the doctor to change the medicine, so as not to cause infection, aggravate the condition, life should pay attention to the diet, to avoid smoking as well as eating spicy, stimulating food.