Pu'er tea has many functions: lowering blood fat, losing weight, suppressing bacteria and helping digestion, warming the stomach, promoting body fluid, quenching thirst, sobering up, and detoxifying. It can clear the stomach, promote fluid, eliminate food, resolve phlegm, relieve alcohol and toxins, diuresis and dispel cold, relieve cough and resolve phlegm, and lower blood lipids and cholesterol.