The invention discloses fruit juice soft sweets coated with collagen casings and a preparation method of the soft sweets, and belongs to the technical field of food processing. The outermost layer ofthe soft sweets is wrapped with collagen casings. The moisture content of the soft sweets is 20% or above, and pH value of the soft sweets is 4.0 or below. The soft sweets comprise the following components in parts by weight: 16 to 35 parts of white granulated sugar, 30 to 55 parts of glucose syrup, 4 to 15 parts of fruit juice, 2 to 8 parts of glycerol, 0.1 to 1.0 part of gellan gum, 0.1 to 1.0 part of locust bean gum, 0.1 to 1.0 part of xanthan gum, 0.3 to 0.7 part of citric acid, 0.1 to 0.4 part of malic acid, 0.01 to 0.15 part of calcium hydrogen phosphate, and a proper amount of collagencasings, essence for foods and pigment. The preparation method comprises the following steps of: preparing a gellan gum solution, boiling sugar, conducting mixing, heat insulation and stewing, preparing the fruit juice, and conducting blending, filling, kinking, solidification, shearing, drying and packaging. According to the invention, the collagen casings are used for wrapping the fruit juice soft sweets, so that package is novel; mouth feel is chewy; a juice flavor is fully reserved; the soft sweets are delicious with slight sweetness and sour; and variety of the fruit juice can be changedaccording to different taste preferences.