A formaldehyde scavenger comprises a cyclodextrin, an amino compound and water, wherein the weight ratio of the cyclodextrin is about 5-40 %, the weight ratio of the amino compound is about 5-50 % and the weight ratio of water is about 25-90 %.一種甲醛捕捉劑,包括含量比例為5-40 wt%之環糊精(cyclodextrin)、含量比例為5-50 wt%的一胺基化合物以及含量比例為25-90的水。