The invention discloses dishcloth gourd bitter gourd slices capable of promoting salivation and protecting skin and a preparation method of the dishcloth gourd bitter gourd slices. The dishcloth gourd bitter gourd slices are prepared from the following raw materials in parts by weight: 4-5 parts of fresh Chinese roses, 3-4 parts of dishcloth gourd powder, 1-2 parts of dried orange peel shreds, 10-13 parts of goat milk, 1-2 parts of mulberry leaves, 1-2 parts of cortex eucommiae, 1-2 parts of semen cassiae, 150-160 parts of flour, 15-18 parts of white sugar, 3-4 parts of yeast, 4-5 parts of stachyose, 5-6 parts of bean dreg powder, 5-6 parts of decolored potato dietary fibers, 100-110 parts of bitter gourds, an appropriate amount of table salt, an appropriate amount of chili powder, an appropriate amount of cumin powder, an appropriate quantity of a zinc gluconate solution, an appropriate amount of beta-cyclodextrin, an appropriate amount of maltodextrin, an appropriate amount of soybean oil and an appropriate amount of water. The fresh Chinese roses are mashed, the mashed Chinese roses are mixed with the dishcloth gourd powder so as to obtain a mixture, and the mixture is put in the goat milk for cooking; and stirring is performed while cooking is performed, so as to obtain pulp. The goat milk is rich in nutrition, and the Chinese roses are pleasant in delicate fragrance and have good efficacies of promoting salivation and protecting skin. Baked steamed buns are complete in shape, uniform in thickness, golden, uniform and glossy in color, good in elasticity and toughness, and fragrant, crisp and delicious, and air holes are fine and uniform.