The invention discloses a trollflower herbal tea solid beverage and a preparation method thereof. The trollflower herbal tea solid beverage comprises the following raw materials in parts by weight: 10-20 parts of trollflower, 15-25 parts of watermelon peels, 5-15 parts of Herba Lopatheri, 5-15 parts of wolfberry leaf, 3-10 parts of corn silk, 10-15 parts of longan shells, 8-15 parts of millet sprout, 5-10 parts of licorice, and 30-45 parts of an auxiliary material. The herbal tea solid beverage has the advantages of reasonable and scientific compatibility, mild effect, coolness without coldness, heat clearing without injury of spleen and stomach, no side effect, and wide application scope, the trollflower herbal tea solid beverage has the efficacy for clearing heat and detoxifying, generating body fluid and dispelling summerheat, invigorating spleen and clearing dampness, clearing and nourishing throat, and nourishing skin and moistening the skin; can be used for preventing and treating wind-heat cold, hot eyes and headache, swollen sore throat, mouth and tongue sore, and dried mouth and yellow urine; The herbal tea solid beverage has the advantages of simple production technology, low cost, stable product property, long shelf-life, and easy popularization and application.