The invention belongs to the field of cosmetics and particularly relates to a hydrolyzed-silk face cleanser and a preparing method thereof. The face cleanser comprises following raw materials: myristic acid, glycerol, sorbitol, stearic acid, palmitic acid, lauric acid, butanediol, an amino acid surfactant, glycol distearate, potassium hydroxide, glycerol monostearate, ceteareth-25, a skin conditioning agent, hydrolyzed silk, a polyquaternium conditioning agent, polyethylene glycols, and water. The face cleanser is rich, fine and smooth in foam, rich in elasticity, and good in wire drawing. The face cleanser is fine and smooth in pasty fluid, has high pearly luster, and can effectively remove dirt, fat granules, comedo, and the like in pores. During washing, a smooth sense is strong and skin feels comfort, and the skin after being washed is not dry, not tight and free of irritation. The face cleanser is suitable for oily skin, dry skin, neutral skin, and sensitive skin with skin damage.