Modern industry make a lot of HCHO used in decorating material, which make HCHO as the primary pollutants indoor pollution in our country. Formaldehyde governance has become the main problem of indoor air pollution. In numerous HCHO treatment methods, the plant purification method for its advantages of environmental protection, economic, convenient that is noticed and favored by people. Common ornamental plants because of their different formaldehyde absorption capacity and are generally lower, so the effec...