Simmons is so slippery that the mattress always falls off. What should I do?

1, plastic paper must be removed because it will be bad for the mattress.

2. Buy a bedspread according to the size of your mattress, spread it on it, and then spread the sheets. It's best to buy the one with adjustable corners, 40 yuan cheap, all kinds of colors and textures. It's best to buy pure cotton. Searching for bedspreads on Taobao will give you a lot of information.