2, black tea has tea polyphenols, theophyllin, caffeine can refresh, but also able to eliminate fat and lose weight. But in the evening time must pay attention to, for sweets, high sugar fruit and heavy food, try to eat less, should eat more fresh vegetables and fruits are better, but also pay attention to the three hours before bedtime can not eat, the daily evening meal time should be in the 5 o'clock before the end of the night, mainly due to the night time activity is small, energy consumption is low, if too much food, the body can not be consumed! It will be converted into fat.