The invention discloses coffee-flavor pomelo tea and a preparation method thereof. The coffee-flavor pomelo tea is prepared from the following raw materials in parts by weight: 20-30 parts of pomelo peel, 5-8 parts of jasmine flower, 3-5 parts of coffee beans and 5-8 parts of cane sugar. The preparation method comprises the steps of pretreating the raw materials for removing bitter and astringent flavors, extruding for dewatering, leaching effective ingredients, filtrating and filling. According to the coffee-flavor pomelo tea and the preparation method thereof, through fusing effective ingredients of the jasmine flower, effective ingredients of the pomelo peel and mellow flavor of coffee, the produced coffee-flavor pomelo tea has the aroma of coffee, has the delicate fragrance of the jasmine flower during slow tasting, and has the effects of reinforcing the spleen to promote digestion, clearing away heat and toxic materials, refreshing for restoring consciousness and the like.