The invention belongs to the technical field of medicine healthcare, and especially relates to a mosquito repelling sachet and a making method thereof. The sachet comprises a sachet body and a medicine bag, and the medicine bag is made from, by weight, 20-40 parts of Atractylodes lancea, 20-30 parts of Artemisia argyi, 15-25 parts of wrinkled gianthyssop, 20-30 parts of dahurian angelica root, 5-10 parts of Syzygium aromaticum, 10-15 parts of borneol, 10-15 parts of cinnamon, 5-15 parts of stiff silkworm, 15-25 parts of natural indigo, 10-15 parts of Diverse Wormwood Herb, 5-10 parts of Combined Spicebush Root, 1-5 parts of Fructus Foeniculi, 1-5 parts of Rhizoma Alpiniae Officinarum, 10-15 parts of betel nut, 15-25 parts of Herba Schizonepetae and 15-25 parts of Cortex Magnoliae Officinalis. The medicine bag is made through the following steps: mixing medicinal herbs except the Artemisia argyi and the borneol, milling the obtained mixture to form coarse powder, processing the Artemisia argyi to form common mugwort fibers, processing the borneol to form large granules, mixing the coarse powder with the borneol granules, processing the obtained mixture to form pills, and wrapping the pills with the Artemisia argyi. The above herbal medicine formula in the medicine bag of the sachet makes the medicine bag have a lasting fragrance, a good mosquito repelling effect and cooling and dampness dispelling effects, a proper quantity of the medicine bag can be selected by different wearers to reach the mosquito repelling effect, and the medicine bag can be replaced to prolong the mosquito repelling time.