There are several methods:

1. Use a wet fragmented cloth, then dip some soda powder, and gently scrubbing the places with crayons. Without effort, they can quickly disappear.

2. You can wipe it with a towel with boiling water.

3. Spray some WD-40 in a trace place and scrub it with a clean cloth. WD-40 will not affect the wall coatings and will not damage the wallpaper. It can also be used to remove cray or marks on furniture or electrical appliances.

4. Prepare a non -colloid toothpaste, a piece of fragmented cloth or preferably a plate brush. Apply toothpaste in a place where there are stains and start scrubbing. The abrasives contained in toothpaste can effectively deal with crayons, and then clean them with water.

5. You can cover the stains with cloth (best), iron it with an iron. Crystal oil will melt when heated when heated. At this time, quickly wipe the dirt with cloth.

6. Simply apply some egg yolk sauce in a crayon marks. After a few minutes of the yellow sauce penetration, wipe the surface of the wall with a clean and humid rag.

7. Try to wipe these crayons with rubber to restore the wall to the initial tidy.

8. To remove the surface stain with a small amount of steel velvet, you should follow in a direction. Do not paint the circle, so that your wall will immediately become a new "canvas".

9. You can use a recycled toothbrush to clear the undissal white vinegar for cleaning, and then wash it with water.