The invention discloses insect-preventing type silk which comprises the following components in parts by weight: 6-10 parts of a mulberry silk long fiber, 6-10 parts of a tussah silk long fiber, 4-6 parts of a mulberry silk short fiber, 4-6 parts of a tussah silk short fiber, 2-3 parts of a cassilk silk short fiber, 2-3 parts of a cassava silk short fiber and 2-3 parts of a mint fiber. By adopting the mode, the natural mulberry fiber is adopted as a raw material of the silk, so that the silk is comfortable to wear, soft in texture, good in breathability, good in hygroscopicity and good in heat preservation, moreover, due to the addition of the mint fiber and selective addition of coptis chinensis, garlic and Chinese prickly ash powder, insects can be prevented and expelled by virtue of the insect expelling properties of natural plants, the natural properties and quality of the silk are not affected, and wide market prospects are achieved in popularization of insect-preventing type silk.