Can fruit tea be drunk overnight as long as there is no odor and the color is different. However, like fruit tea this drink, if placed in the refrigerator for too long, it is easy to breed bacteria. Nutrition experts, just steeped or open the tea is best to drink immediately, into the refrigerator to save no more than 6 hours, so as not to breed too much bacteria or spoilage, lose the original nutritional value and taste. Will be similar food, drink into the refrigerator before, it is best to use plastic wrap or plastic bag wrapped, to prevent the refrigerator evaporator icing. Adjust the temperature of the refrigerator to 3~4 degrees is more appropriate.