Broad-spectrum high-efficiency safe mildewproof material

The invention discloses a broad-spectrum high-efficiency safe mildewproof material. The broad-spectrum high-efficiency safe mildewproof material is prepared from the following materials in parts by weight: 75-85 parts of N-octyl-4-isothiazoline-3-ketone, 6-13 parts of sorbic acid as a mildewproof agent, 10-18 parts of trimethoprim as a potentiating agent, 8-15 parts of sodium secondary alkyl sulfonate as an anionic surfactant, 4-11 parts of ethylene glycol as a flavouring agent, 7-14 parts of citral as a smoothing agent and 3-10 parts of butylated hydroxytoluene as an antioxygen. The mildewproof material disclosed by the invention has excellent sterilizing and antibacterial effects, and is fragrant, smooth and bright.