Formaldehyde removal agent

The invention relates to the technical field of formaldehyde removal purification, in particular to a formaldehyde removal agent which is prepared from the following raw materials in parts by mass: 45-65 parts of formaldehyde removal purification liquid, 9-12 parts of titanium dioxide, 3-9 parts of adipic dihydrazide, 7-9 parts of guanidine hydrochloride, 5-7 parts of sodium pyrosulfite, 3-5 parts of a permeation aid, 15-27 parts of an adsorption additive, 5-8 parts of clove powder and 30-40 parts of purified water. The preparation method comprises the following steps: S1, weighing the raw materials according to the weight for later use; s2, adding the formaldehyde removal purification liquid, an adsorption additive and purified water into a stirring pot, and uniformly stirring and mixing; s3, continuing to sequentially add titanium dioxide, adipic dihydrazide, guanidine hydrochloride, sodium pyrosulfite, a permeation aid and clove powder into the stirring pot, and then stirring until the materials are comple