Scratching broken skin should be localized broken skin disinfection, topical antibiotic drugs to prevent infection. After scratching the broken skin should be timely use of iodophor, alcohol and other disinfectants to disinfect the affected area, the affected area to avoid getting wet until the wound is completely healed. Topical mupirocin ointment, erythromycin ointment and other antibiotic drugs can be used to prevent infection. If the patient is suffering from urticaria and other diseases to scratch the skin to break, then the primary disease should be treated, the use of loratadine, ibastine and other drugs to relieve the itching sensation, to avoid excessive scratching. If the skin is broken, it is recommended to consult a doctor in time, and follow the doctor’s instructions to use medication.