1. When entering the strictly isolated ward.
2. The patient needs to be specially isolated for examination and nursing, and the work clothes may be contaminated by secretions, excreta, blood and body fluids (such as when entering the hepatitis ward).
3. Enter the ward of patients with infectious diseases that are easy to spread in the hospital and patients who need special isolation (such as extensive burns, transplants and premature infants).
Attention shall be paid when wearing the isolation clothing: the length of the isolation clothing shall be appropriate, the work clothes must be completely covered, and the broken holes cannot be used. Keep the upper and inner surfaces of the isolation clothes clean, and replace them every 24 hours. If it is wet or contaminated, it should be replaced immediately. After wearing isolation clothing, activities are limited to the specified area. In case of exposure to different diseases, hands should be disinfected and isolation clothes should be replaced.