The caffeine in black tea with honey excites the nerve center by stimulating the cerebral cortex, contributing to refreshing and focusing the mind, which in turn makes the thinking reaction sharper and enhances the memory; it also has an excitatory effect on the vascular system and the heart, strengthening the heartbeat, thus accelerating blood circulation for metabolism, and at the same time promoting sweating and diuresis, which accelerates the excretion of lactic acid (the substance that makes the muscles tired) and other old substances in the body, achieving the effect of elimination of fatigue. substances) and other old waste materials in the body, to eliminate the effect of fatigue. The honey black tea also has the effect of beauty and skin care for female friends.