With the extensive use of composite boards in building decoration and home furnishings, harmful gases such as formaldehyde emitted by boards can cause headache, respiratory discomfort and other symptoms. The treatment of formaldehyde and other harmful gases has become an urgent topic. With more than 50 years' experience in plate treatment, Japan's Sanmu Institute has developed a formaldehyde capturing agent, which can quickly capture formaldehyde and acetaldehyde molecules , formaldehyde, acetaldehyde removal effect is obvious, not only can deal with the decoration board, but also can spray on the interior surface of the home, and finally achieve the effect of reducing the content of formaldehyde and acetaldehyde in the air.