The invention relates to a mooncake coated with mixed sugar, belonging to the technical field of food production. The invention aims at the technical problems of the traditional production process of the mooncake that the mooncake is easy to expand and deform, the patterns on the mooncake are not clear and are easy to rewet, and the mooncake skin is fogged and has bad mouth feeling. The mooncake skin of the mooncake coated with mixed sugar is prepared from the following raw materials in parts by weight: 40-50 parts of flour, 15-30 parts of sugar, 14-18 parts of oil, 2-5 parts of honey and 16-18 parts of water. The specific preparation method comprises the following steps: wraping filling with the skin according to a skin-filling ratio of 2:3, filling the mooncake in a mould of which bottom is carved with patterns to compact, taking out the formed mooncake, coating a layer of flour paste accounting for 3-5wt% of the skin on the surface, drilling at least one hole in the mooncake, baking the mooncake in an oven, taking out the baked mooncake from the oven, and cooling to obtain the finished product. The mooncake coated with mixed sugar has the following advantages: the mooncake can not expand and deform, the patterns on the mooncake are clear and can not rewet, and the mooncake skin is not fogged and has good mouth feeling.