1. Efficacy of black tea: promoting fluid production, clearing away heat, sterilizing and diminishing inflammation. Drinking black tea properly can dispel the cold in the human body, help to remove food residues in the intestines, and also apply wounds and pressure sores.

2. Green tea efficacy: anti-aging, disease prevention. Tea polyphenols in green tea can scavenge human free radicals, block lipid peroxidation and help delay skin aging. At the same time, it promotes fat metabolism, prevents fat from depositing on the inner wall of blood vessels and reduces the occurrence of atherosclerosis.

The efficacy difference between black tea and green tea;

1. Efficacy of black tea: promoting fluid production, clearing away heat, sterilizing and diminishing inflammation. Drinking black tea properly can dispel the cold in the human body, help to remove food residues in the intestines, and also apply wounds and pressure sores.

2. Green tea efficacy: anti-aging, disease prevention. Tea polyphenols in green tea can scavenge human free radicals, block lipid peroxidation and help delay skin aging. At the same time, it promotes fat metabolism, prevents fat from depositing on the inner wall of blood vessels and reduces the occurrence of atherosclerosis.

The functional differences between green tea and black tea are as follows:

1. antioxidant capacity: green tea has stronger antioxidant capacity, because green tea is rich in antioxidant substances such as catechins and tea polyphenols, while black tea is partially decomposed after fermentation.

2. Weight-reducing effect: catechins and caffeine in green tea help to promote fat metabolism and have weight-reducing effect. Tea polyphenols and caffeine in black tea have little effect on fat metabolism.

3. Healthy flavor: green tea is fragrant and refreshing, suitable for clearing heat and relieving summer heat, quenching thirst and refreshing; Black tea, on the other hand, has a strong tea fragrance and sweetness, which is suitable for refreshing and drinking.

4. Anti-cancer effect: The ingredients in green tea can inhibit the growth and spread of cancer cells, so it has certain anti-cancer effect. Black tea contains flavonoids and other substances, which have antioxidant and anti-inflammatory effects and can reduce the risk of cancer.