The invention provides ginseng milk jelly and a preparation method thereof, and belongs to the technical field of food processing. The ginseng milk jelly is prepared from the following ingredients in parts by mass: 100 parts of mixed liquid of water and fresh milk, 0.4 to 0.6 part of ginseng powder, 1 to 2 parts of agar, 4 to 6 parts of corn starch, 10 parts of saccharose, 0.2 part of sodium citrate, 0.4 part of locust bean gum, 3 parts of honey, 0.001 to 0.005 parts of lemon yellow and 0.005 part of zinc malate. The preparation method comprises the steps of jelly preparation, proportioning, homogenization, sterilization, cooling, drying, filling, opening sealing and the like. The prepared ginseng milk jelly has various ingredients beneficial to the health, such as active ingredients of the ginseng, low-calorie high-fiber ingredients of jelly and high-quality protein of milk; the nutrition value is high; the processing method is simple; the implementation is easy; the product can be directly eaten.