A whitening mask mainly comprises hyaluronic acid, tranexamic acid, glycerol, an aloe extract liquid, allantoin, arbutin, a ginkgo extract product, a chamomile extract product, deionized water, xanthan gum, a moss extract product, methylisothiazolinone and vitamin B3. A making method of the mask comprises the following steps: adding hyaluronic acid and xanthan gum into deionized water, stirring, heating, adding tranexamic acid, vitamin B3 and allantoin, and stirring; 2, cooling, adding glycerol, stirring, adding the aloe extract liquid, arbutin, the ginkgo extract product and the chamomile extract product, and stirring; 3, cooling, adding the moss extract product and methylisothiazolinone, and stirring; 4, sampling, discharging, and putting a material obtained after discharging in a standing room; 5, filing a bag with a mask plaster; 6, loading a material obtained in step 4 into the mask plaster bag; and 7, sealing the mask bag, and packaging the mask bag in a box. The whitening mask moistens dry skins, makes skins fine, soft and smooth, deeply diffuses into skins, combines with deep water, maintains skins moist and glossy, and has allergy preventing, firming and whitening effects.