New house decoration half a year pregnant women whether it is suitable to move in need to be tested by a professional department, clear whether there are toxic and harmful gases, if the toxic gas exceeds the standard should not move in, if no toxic gases can be moved in. Most of the materials in the renovation contain toxic and harmful substances that should not be exposed to during pregnancy, such as formaldehyde and benzene. Pregnant women who live in a new house with excessive toxic and harmful gases may induce fetal malformations, leukemia, immunosuppression, etc., and may also induce respiratory inflammation, pneumonia, allergies, etc. in pregnant women. Tested by professional departments, if the concentration of toxic and hazardous substances is still relatively high after six months of renovation, pregnant women should avoid moving in. If the toxic and harmful substances have been detected or have been reduced to the normal range, pregnant women can move in.