When drinking black tea, there is no obvious crowd restriction, most people can drink black tea. Black tea belongs to a kind of tea, is a fully fermented tea, is a tea made from the new buds and leaves of the tea tree as raw materials, through a series of procedures such as withering, kneading, fermentation, drying and so on. The ingredients contained in black tea include catechins, folic acid, pantothenic acid, caffeine, etc. Drinking some black tea appropriately on a daily basis can replenish the above nutrients for the organism. Most people can drink black tea, and there is no obvious limitation of people. However, when drinking black tea, it is recommended to take the right amount of tea leaves to brew water, it is not recommended to drink strong tea, because the tannins inside the tea will be combined with other substances in the body, which will affect the body’s absorption of nutrients, and tea has caffeine, and if you drink too much strong tea, it may affect the quality of sleep.