Long-term drinking tea for some people can have more benefits, such as improving mental status, improving skin condition, promoting fat decomposition, reducing calcium loss, etc.. Need to pay attention to drinking tea should be moderate, avoid long-term large amounts of tea, and pay attention to control the concentration of tea, do not drink a lot of strong tea, so as not to have insomnia, affect digestive function and other adverse effects. A, the benefits: 1, improve mental state: tea is rich in caffeine and aromatic substances, can promote central nervous excitement, with refreshing, beneficial effect, can improve learning efficiency, which the tea polyphenols, for the regulation of brain function, improve memory has a certain role; 2, improve skin condition: tea polyphenols have antioxidant effect, long-term moderate drinking with tea has a certain anti-aging effect on the skin, but also help Reduce UV damage to the skin; 3, promote fat decomposition: research shows that appropriate tea is conducive to enhancing the body’s ability to decompose fat; 4, reduce calcium loss: tea in fluorine, phytoestrogen-like substances and potassium, is conducive to reducing calcium loss, but because tea has a certain diuretic effect, increased urine will aggravate calcium loss, so the need to drink tea, too much may have the opposite effect; 5, other. Properly drink tea is also conducive to cardiovascular health; tea in the tea polyphenols also has a certain sterilizing effect; many kinds of tea have bright eyes, lung effect; summer tea is also good for the summer heat. Second, the bad: generally due to long-term improper drinking tea caused by, for example, drinking too much tea, too much concentration, etc. 1, insomnia: high caffeine content in strong tea, easy to lead to increased neuroexcitability, especially before bedtime drinking tea easy to lead to insomnia, so hypoglycemia, kidney disease, liver disease, cardiovascular disease, long-term improper drinking tea, easy to cause sleep deprivation, may lead to aggravation; 2, affect the digestive function: tea in Chinese medicine theory, cold in nature, the spleen and stomach cold people, after long-term tea is easy to trigger or aggravate nausea, acid reflux, bloating and other uncomfortable symptoms, in addition to strong tea will stimulate the gastrointestinal tract, not suitable for constipation drinkers, may aggravate the symptoms. In addition, patients with poor kidney function should not drink tea, because the tea may increase the burden on the kidneys, which is not conducive to recovery.