Iced Americano is not black coffee. Black coffee is the coffee without any modification, a collection of coffee "aroma, sweet, mellow, acidic, bitter" characteristics of the five flavors, it is deep, rugged and intriguing, bringing the taste of coffee is the original feeling. Americano, as a kind of espresso, contains only espresso and water, and is almost completely calorie-free. Iced Americano and black coffee drink taste are bitter, but the two re-production methods are different.