The invention discloses jelly capable of maintaining beauty and keeping young and a preparation method thereof. The jelly is prepared from the raw materials in parts by weight: 100 parts of bone collagen, 10-15 parts of hyaluronic acid, 15-20 parts of royal jelly, 20-25 parts of glucosamine, 15-20 parts of lentinula edodes, 5-10 parts of hericium erinaceus, 5-10 parts of Kwa root, 15-20 parts of chestnut inside peel, 10-15 parts of tuckahoe, 5-10 parts of sesame, 20-25 parts of strawberry, 15-20 parts of celery, 1-5 parts of pagoda tree flower, 5-10 parts of red yeast, 10-15 parts of maize, 5-10 parts of wheat bran, 5-10 parts of red bean, 10-15 parts of seaweed, 1-5 parts of fishbone, 1-5 parts of fishskin, 1-5 parts of fishscale, 1-5 parts of calcium gluconate and 0.1-0.3 part of zinc gluconate. According to the jelly and the preparation method thereof, the formula is unique, and the collagen is prepared into a jelly shape, so that the oral taking and carrying are more convenient; through the synergism of all the ingredients, the jelly has very good effects on maintaining beauty and keeping young and caring health.