1. Add some dishwashing liquid with clean water and wipe dry with a mop or rag. Then rinse it off with raw salt water. Close the doors and Windows after dry ventilation, and spray roses or other slightly scented air fresheners in the room.
2, you can first spray the white vinegar directly on the wall, wait for ten minutes and then wash with water, and finally rinse with water, so that not only remove the taste but also remove bacteria.