How to remove stains and footprints on white walls?

Follow these steps to remove the footprints on the white wall:

1, required materials: white vinegar, bowl, water and cleaning cloth. Pour half a bowl of water into the bowl and add proper amount of vinegar;

2. Stir evenly with your hands or chopsticks;

3. Dip the following liquid with scouring pad or other cleaning cloth;

4. Rub it back and forth several times on the wall with footprints;

5. This will clean the footprints on the wall.