The invention provides a mask and a preparation method of the mask. The mask comprises a base material and a medicinal material bag, wherein the weight ratio of the medicinal material bag to the base material is 10 to 20 percent; the base material comprises the following components in percentage by weight: 55 to 65 percent of pork knuckle, 30 to 40 percent of pear, and 2 to 8 percent of honey; and the medicinal material bag comprises the following components in percentage by weight: 10 to 15 percent of angelica dahurica, 10 to 15 percent of bletilla, 10 to 15 percent of Japanese ampelopsis root, 10 to 15 percent of white poria, 10 to 15 percent of full snakegourd fruit, 8 to 10 percent of benzoin, 8 to 10 percent of pharbitis seed, 8 to 10 percent of holy basil, 5 to 8 percent of agilawood, and 1 to 5 percent of white asarum. The main medicaments have the effects of dispelling stagnated qi, dissipating stasis, promoting tissue regeneration and removing black, and can gradually dispel face black, color spots, wrinkles, acne scars, acne pits and the like on the surface of the skin; and the pork knuckle is boiled to paste and is neutral in nature, smooth and moist, and the collagen in the pork knuckle is converted into gelatin with a netlike spatial structure for locking water molecules, so that the properties of the medicinal materials are improved.