Pueraria lobata tea can quickly excrete alcohol and eliminate the accumulation of residual alcohol in the liver and stomach. To protect the liver and stomach, improve and eliminate nausea and vomiting, drink plenty of water after a hangover. After Pu 'er tea enters the human stomach, it will form a layer of mucosa attached to the stomach surface, which will form a beneficial protective layer for the stomach. The soluble sugar content in Pu 'er tea is higher than other teas, and it also has special effects on hangover, so drinking Pu 'er tea has a good effect. At the same time, tea polyphenols in Pu 'er tea can promote ethanol metabolism, protect the liver and make ethanol metabolism run normally and smoothly. Drinking Pu 'er tea can increase vasoconstriction, and theophylline has diuretic effect, which can promote the rapid excretion of alcohol and reduce the harm of drunkenness.