Refreshing and relieving fatigue. Because tea contains caffeine, it can refresh the spirit and relieve hangover. Anti-cell mutation and cancer preventionHuman cell mutation is the precursor of cancer, and tea ingredients have the function of preventing human cell mutation. At present, scientific research also points out that tea can prevent and inhibit gastric cancer, lung cancer, breast cancer, intestinal cancer, liver cancer, skin cancer and other cancers to some extent. Disease prevention tea contains effective ingredients, which can prevent diseases, prevent tooth decay and halitosis. Fluoride in tea can prevent acid from eroding teeth, resulting in high resistance. Skin whitening tea contains vitamin C. Drinking tea regularly can whiten the skin. Help digestion "Eat sushi with tea, drink tea with diarrhea" is a popular saying in Japan. It is mainly composed of catechins and brass alcohols in tea, which can improve gastrointestinal function, kill and inhibit intestinal bacteria and microorganisms.