1, the role of women: skin care and beauty, it is recommended to use scented tea, which contains more protein, amino acids, fats, carbohydrates and various vitamins and minerals, and has the effect of health care and beauty;

2, the role of the elderly: health care, it is recommended to use oolong tea or black tea, oolong tea and black tea are relatively mild, black tea and oolong tea have more theaflavins, which have antioxidant, cardiovascular disease prevention, blood lipid reduction, cancer prevention and anti-cancer effects;

3. Impact on children: Because children's nervous system, digestive organs and skin are immature, they may have allergic reactions due to the strong stimulation of alkaloids in tea. It is suggested that you should try not to wipe your back with tea, or use thinner scented tea;

4. Effect on middle-aged people: It can relieve fatigue and refresh the mind. It is recommended to use green tea, which contains more tea polyphenols, caffeine, lipopolysaccharide, theanine and other ingredients, and has pharmacological effects such as refreshing the brain, clearing away heat and relieving summer heat, promoting digestion and resolving phlegm, eliminating fatigue and losing weight, clearing away heart fire and relieving restlessness, detoxifying and sobering up, promoting fluid production to quench thirst, reducing fire and improving eyesight, stopping dysentery and removing dampness.