How to put the mattress when the bedplate is dirty?

Spread a sheet on the bed board and clean it with 84 disinfectant.

The bed board is dirty. Spread a sheet on the bed board and then a mattress, which can effectively isolate dirt.

The ratio of disinfectant to water is 1: 180, and then spray it on the bed board, you can spray a little more. After 10 minutes, scrub it with a wet rag, then dry it in the sun, and then lay the mattress.