With investigation and storey of indoor air pollutants of newly fitment residences in Chongqing , the average consistency of formalolehyde is 0.22 mg/m^3, and the over standard rate is 76.3%. The concentration of the third months after the completion of decoration is the highest , with those of the sixth month is the lowest. The result shows that the indoor-air pollutants caused by decoration should not be ignored anymore.