Friends who have decoration experience at home may encounter the situation that there is a layer of floor special gypsum powder on the floor after decoration. It is also very troublesome to clean up the white layer. What's the use of these floor plaster? How to clean it up?

其實，除了粉刷墻面的粉刷石膏粉，地板專用石膏粉是裝修時非常常用的石膏粉種類，只是它們都藏在地板下方，我們不能直接見到。

In fact, in addition to plastering wall plaster powder, floor special plaster powder is a very common type of plaster powder when decoration, but they are hidden under the floor, we can't see directly.

地板專用石膏粉常見的用處是用來找平。所謂的找平，就是在鋪設地板前需要保證基礎底面的平整，防止地板鋪設好后，由于底面的不平整造成空響。這是對地板的一種保護，也能夠一定程度上延長地板使用壽命。

The common use of floor gypsum powder is for leveling. The so-called leveling is to ensure the smoothness of the foundation bottom before laying the floor, so as to prevent the floor from causing empty sound due to the unevenness of the bottom. This is a kind of protection for the floor, and can also extend the service life of the floor to a certain extent.

這些地板專用石膏粉在使用的時候難免會有一些遺落在地板上，為后來的清潔造成困擾。地板專用石膏粉的遺落不多，一般使用水和抹布就可以清理干凈，如果污漬非常牢固也可以使用小鏟子，但是要注意不要劃傷地板。而在地板鋪設完成后如果還有裝修粉刷墻面的工作，則建議在地板上設置地面保護，提前鋪好防護紙。

These floor special gypsum powder in use will inevitably have some left on the floor, causing trouble for later cleaning. Floor special gypsum powder is not much, generally use water and cloth can clean up, if the stain is very firm, you can also use a small shovel, but pay attention not to scratch the floor. After the floor is laid, if there is still decoration and painting of the wall, it is suggested to set ground protection on the floor and lay protective paper in advance.