Insect-resisting agent for books and preparation method of insect-resisting agent

The invention discloses an insect-resisting agent for books. The insect-resisting agent is prepared from the following main materials in parts by weight: 20 to 30 parts of single clove garlic, 20 to 30 parts of fructus anisi stellati, 20 to 30 parts of pericarpium zanthoxyli, 12 to 15 parts of fruit of chinaberry tree, 10 to 15 parts of cortex phellodendri, 10 to 15 parts of fructus gleditsiae abnormalis and 30 to 40 parts of water. A preparation method of the insect-resisting agent for the books comprises the following steps: firstly, respectively grinding the single clove garlic, the fructus anisi stellati, the pericarpium zanthoxyli, the fruit of chinaberry tree, the cortex phellodendri and the fructus gleditsiae abnormalis into powder; secondly, sufficiently mixing the powder in the first step, adding water and uniformly stirring to obtain an insect-resisting agent mixture for the books; thirdly, preparing the mixture in the second step into pill shapes, and drying to obtain the insect-resisting agent for