Disclosed is a new fruit-juice-containing black tea beverage that, without performing enzyme treatment such as tannase treatment, and moreover even if a large quantity of fruit juice is added, can suppress time degradation. The fruit-juice-containing black tea beverage packed in a container containing 10-90 mass % of fruit juice is characterized by containing 10-24 ppm of theogallin, and by the ratio (theogallin/K) of contained theogallin to contained potassium being 0.015-0.100.