In fact, many advertising products are harmful to human body, such as milk, which is not suitable for adults to drink, but is promoted as nutrition.

The same is true of herbal tea.

In ancient times, herbal tea was drunk to cool off the heat. At that time, there was no air conditioning, and sweating alone could not get rid of the heat of hot summer days. Therefore, there is a custom of herbal tea to dispel summer heat in hot spots in the south. Modern people, however, have air conditioning in and out. When they are sweating, they don't need herbal tea at all. The so-called internal fire of eating hot pot should not be solved by herbal tea, but used for advertising. Even the Prunella vulgaris in herbal tea is harmful to the stomach, and it is useless to drink more. Many people don't know.

It is popular because of advertisements, but often advertisements are not really good for people, but for commercial profits.

In summer, the yang is outside, in fact, drinking warm tea is more in line with the way of health preservation in Huangdi's Neijing.