Pu-erh, as a kind of tea, is rich in nutrients and can supplement certain vitamins and minerals and other nutrients for the human body, but does not have any special effects and functions. Pu-erh tea contains potassium, phosphorus, calcium, magnesium and other mineral elements, the total content can reach 4% to 7%, and most of them are dissolved in water and absorbed by the body. Pu-erh tea also contains vitamin C, vitamin E and other vitamins, 80% of these vitamins can be leached out by water, so Pu-erh tea can be supplemented with certain vitamins for the human body. Pu’er tea contains alkaloids, tea polyphenols and other aromatic substances. Among them, tea polyphenol is one of the main components that form the color and aroma of tea. And the degradation and transfer of a large number of amino acids in Pu-erh tea can re-synthesize alcohols and phenolic compounds, which makes Pu-erh tea’s aged aroma and aged flavor unique. However, when drinking Pu-erh tea, you need to pay attention to the fact that it is not suitable for drinking tea on an empty stomach or after a full meal, and you should not drink a large amount of it, drink it before going to bed, or drink it overnight. Pu-erh as a food, can not prevent and treat diseases, such as physical discomfort, it is recommended to seek medical attention as soon as possible.