The anti-alcoholism effect of tea mainly depends on the neutralization and diuresis of caffeine. Drinking a lot of light tea can increase a lot of water, dilute alcohol and its decomposition products, and achieve the effect of hangover.
It should be noted that don't drink strong tea after drinking. Because drinking strong tea after drinking will make a lot of acetic acid and acetaldehyde in the liver enter the kidney, causing damage to the kidney.