A novel car carpet sound-insulation mat with an insect expelling function is composed of a Chinese herbal medicine carpet base layer, an anion adhesive layer and an anti-skidding layer, wherein a Chinese herbal medicine particle containing cavity and an active mineral substance particle containing cavity are sequentially arranged between the Chinese herbal medicine carpet base layer and the anti-skidding layer in a spaced mode; Chinese herbal medicine particles are arranged in the Chinese herbal medicine particle containing cavity and include 15-20 parts of fructus cnidii, 3-5 parts of anemone hupehensis, 15-25 parts of elm barks, 4-6 parts of agilawood, 20-25 parts of camphorwood, 3-5 parts of storax, 1-1.5 parts of borneol, 1-3 parts of fructus chebulae, 1-3 parts of golden cypress, 1.5-2.5 parts of sweet marjoram and 1.5-2 parts of sandalwood. The novel car carpet sound-insulation mat with the insect expelling function is high in safety performance, capable of effectively expelling mosquitoes and other insects and releasing anions, fragrant and refreshing.