1, detergent+water. Spray some detergent on the kitchen wall tiles with water, brush them again with a soft brush after five minutes, and finally scrub them with a cloth dipped in water.

2, baking soda+detergent+water. Mix baking soda with detergent, put it in hot water, put it in a watering can, apply force evenly, then spray it on the wall brick and scrub it with scouring pad.

3, paper+detergent. Stick the paper towel on the wall brick, spray detergent carefully, tear off the paper towel after a few minutes, and then scrub it with a clean rag dipped in water.

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