The invention discloses an anti-inflammatory and anti-allergic facial mask. The anti-inflammatory and anti-allergic facial mask is prepared from the flowing raw materials of allantoin, hyaluronan, lubrajel, algal polysaccharides, radix gentianae anti-irritating factors, an oat extracting solution, glycerol, propylene glycol, butanediol, glycerol polyether-26, triethanolamine, carbomer, methylparaben and purified water. The anti-inflammatory and anti-allergic facial mask has the advantages that the allantoin and the radix gentianae anti-irritating factors are contained, and therefore the anti-inflammatory effect, the anti-allergic effect, the anti-irritating effect and the soothing effect are good, and the repairing effect on skin can be achieved; the hyaluronan, the seaweed polysaccharidesand the oat extracting solution can activate cells, condition the skin and provide good nutrient for the skin; and the functional components in the facial mask have a synergistic effect so that the facial mask can be suitable for allergic skin, the skin can be moisturized and protected, meanwhile, the anti-inflammatory effect can be achieved, and experiments prove that the effective rate of the prepared facial mask used for inflammatory skin can be 97.0%.