If there is a newly crowned pneumonia patient at home, the following disinfection measures should be taken to prevent infection of close contacts: 1. Home environment: fumigate peroxyacetic acid solution for 2 hours after the house is sealed, then open windows for ventilation; 2. Clothing: disinfect by boiling for 30 minutes, or soak in chlorine-containing disinfectant for 20 minutes; 3. Patient excreta and vomit: should be stirred with bleach or chlorine-containing disinfectant for 2 hours; 4. Meals (drinking) utensils. Disinfected by boiling for 15 minutes; or soaked with chlorine-containing disinfectant for 15 minutes, followed by washing with water; 5. Household items: soaked, sprayed or scrubbed with peroxyacetic acid solution or chlorine-containing disinfectant, and wiped with water after 15 minutes; Note: Parts in contact with patients, such as hands, can be disinfected with 0.5% iodophor solution.