According to the national regulations, the indoor formaldehyde emission value is less than 0.08mg/m² before being allowed to move in, while pregnant women need to be less than 0.06mg/m², so the formaldehyde content of 0.05 can be moved in. Formaldehyde is an organic compound, is a colorless irritating gas, inhalation will appear after the eyes and nose stinging, breathing difficulties, long-term inhalation will also lead to cancer in the human body. Therefore, in accordance with national standards, formaldehyde content down to a certain value before you can move in, to prevent formaldehyde harm to the body. It is also worth noting that, even if the formaldehyde content of the national standard, should also pay attention to diligently open the windows to ensure indoor and outdoor air circulation, you can also place some green plants indoors to help absorb formaldehyde.