1. Leave a chaperone and keep the staff relatively fixed. Do not go in and out of other people’s rooms and do not touch other people’s belongings. Do not visit the patient. In special cases, change the isolation clothes and visit the patient under the guidance of the nurse. 2.Keep the patient’s belongings clean and wounds dry. 3, pay attention to hand hygiene: before and after entering and leaving the room, contact with the wound must wash hands and live hand disinfection; contact with contaminants should wear gloves, wash hands after taking off gloves. 4.Daily necessities: special for patients, clean and disinfected before taking out of the ward.