1. Mix dish soap + water. Mix some dishwashing liquid with water and spray it on the kitchen wall tiles. After five minutes, brush it again with a soft brush. Finally, wipe it with a cloth dipped in clean water.

2. Baking soda + dish soap + water. Mix baking soda and dish soap into hot water, put it into a spray bottle, apply even pressure, then spray it on the wall tiles and scrub with a scouring pad.

3. Paper + detergent. Place a paper towel on the wall tiles, spray the cleaner carefully, remove the paper towel after a few minutes, and then scrub with a clean rag dipped in water.

4. Baking soda + salt + white vinegar + beer + water. Put an appropriate amount of baking soda and edible salt into a basin filled with water, then pour some white vinegar and beer, shake well, put it into a spray bottle, spray it on the wall, wait for 5-10 minutes, and then wipe it with a rag.