The invention relates to a solid drink, and in particular relates to a fruit-coffee solid drink and a preparation method thereof. The fruit-coffee solid drink comprises the following raw materials in parts by mass: 144-160 parts of Vietnam medium-granule coffee beans, 100-116 parts of Yunnan small-granule coffee beans, 165-189 parts of fresh longan or 55-63 parts of dried longan, 40-50 parts of non-dairy creamer, 26-34 parts of white sugar and 35-45 parts of glucose. The preparation method comprises the following steps of: A, mixing; B, baking; C, grinding; D, extracting; E, concentrating; F, preparing a longan extract; G, homogenizing; H, sterilizing; I, freeze drying; and J, packaging. The fruit-coffee solid drink contains more caffeine, is rich, pure and mild in fragrance, and contains more effective nutritional ingredients. Distilled water for extracting coffee mixed powder is proper in temperature and moderate in time. Enzyme extraction adopted by the method can be used for maintaining the flavor and the nutritional ingredients of the longan. The finished product is good in rehydration property and free from residue, and can well maintain the color, the flavor, the taste and the nutritional ingredients of the coffee and the longan.