The invention discloses a skin repairing natural silk facial mask. The skin repairing natural silk facial mask comprises a natural silk membrane and facial mask liquid wetly adhered to the natural silk membrane, wherein the facial mask liquid consists of the following components in percentage by mass of 1%-20% of a hydrating agent, 0.2%-7.4% of a skin conditioning agent, 0.1%-2.0% of a thickeningagent, 0.5%-2.0% of an allergy resisting agent, 0.5%-2.0% of a softener, 0.4%-2.0% of a preservative, 0.02%-0.2% of skin repairing factors, 0.0001-5.0% of a blending agent and the balance purified water. The invention further discloses a preparation method of the skin repairing natural silk facial mask. Based on components of original facial mask liquid, three main components of the allergy resisting agent, the gentle and softener and the skin repairing factors, and a natural silk protein applying cloth are added as a carrier; the allergy resisting agent can relax allergy of postoperative damaged skin and muscle; the softener can promote the applying cloth to be soft, the damaged skin and muscle can be taken care, the perfect combination of friction stimulation, cell growth factors and natural silk protein is avoided, and the wound protection and healing speed after medical care cosmetology are increased, so that the postoperative skin repair function can be effective.