Is it composite or solid wood? Compounds are generally not up to standard in environmental protection, just like your tens of dollars, which is not so good. In addition, even if you meet the standards in environmental protection, the formaldehyde in your home may exceed the standard due to the cumulative effect, because the standard of meeting the standards is that the formaldehyde emission per square meter reaches the national standard, so it is impossible to spread a square meter in your home. If you want to be environmentally friendly, buy floor tiles, which are much more environmentally friendly than wooden floors. If you really want to lay wooden floors, then shop less and pick important places.