The invention belongs to the field of food technology, and in particular relates to a jelly for cleansing intestines, expelling toxins, beautifying and beautifying the skin and a preparation method thereof. The bowel cleansing, detoxification, beauty and beauty jelly provided by the present invention comprises the following raw materials and parts by weight: 20-30 parts of fructo-oligosaccharides, 5-8 parts of xylo-oligosaccharides, 7-10 parts of resistant dextrin, and barley grass powder 3‑5 parts, 1‑2 parts of dendrobium powder, 3‑5 parts of chia seeds, 1‑3 parts of L-carnitine, 0.5‑0.8 parts of corn oligopeptide powder, 15‑20 parts of konjac powder, 0.4‑0.7 parts of turmeric , 13-15 parts of kudzu powder, 5-8 parts of milk thistle powder, 0.2-0.4 parts of thickener, 0.2-0.4 parts of flavoring agent and 10-15 parts of white sugar. The bowel-clearing, detoxifying, and beauty-beautifying jelly provided by the invention has good color, fragrance and taste, is rich in nutrition, can cleanse the intestines and detoxify, and has the effect of anti-aging, beautifying and beautifying. In addition, the bowel cleansing, detoxification, beauty and beauty jelly provided by the invention also has good long-term stability.