If the formaldehyde exceeds the standard, go and have a physical examination. There is pollution in the renovation of new houses, but it is only a matter of how much, especially formaldehyde is very harmful. Stop living! ! ! Use activated carbon, black tea soaked in water, etc. Or put some plants and get more ventilation, so that in addition to formaldehyde can have a good life. Living in a newly renovated new house is sure that formaldehyde exceeds the standard, and then you should have a look at your own body. Go and have a check-up, preferably a physical check-up. Then take the above methods to stop for three or five days before staying.