The invention relates to a cocktail tea and a preparation method and application thereof, and the cocktail tea includes one or more of the following raw materials: Black wolfberry, red wolfberry, licorice, sliced cynomorium songaricum, apple flower, Chinese angelica, red dates, dried hawthorn, dried calamondin orange, sweet-scented osmanthus, Mangnolia officinalis, flores aurantii, Hibiscus sabdariffa, mint leaf, peach blossom, chrysanthemum, lotus plumule, violet, longan, Tieguanyin, old white tea, honey black tea, jasmine, oroxylum indicum, Pu 'er Tea and Menghai raw tea. The cocktail tea uses natural active ingredients as the raw materials, has the advantages of scientific formulation, safety and no any side effects, fully meets the feeling of consumer's five senses in color, aroma, taste and shape, and has the effects of reducing blood pressure, reducing blood fat, lowering blood sugar, cleaning residual toxins in body, promoting diuresis, replenishing qi and blood, beautifying and other auxiliary functions. The cocktail tea has the advantages of simple preparation method, low production cost and convenient portability, and is favorable for subsequent large-scale application.