Pu 'er tea has many functions, such as reducing blood fat, losing weight, inhibiting bacteria and promoting digestion, warming stomach, promoting fluid production and quenching thirst, sobering up and detoxifying. Has the effects of clearing away stomach heat, promoting fluid production, promoting digestion, resolving phlegm, relieving alcoholism and toxic materials, promoting diuresis, dispelling cold, relieving cough and resolving phlegm, and reducing blood lipid and cholesterol. Reduce blood fat, reduce weight and blood pressure, and prevent arteriosclerosis. Drinking Pu 'er tea for a long time can lower cholesterol and glyceride, so drinking Pu 'er tea for a long time can treat obesity. Drinking Pu 'er tea can cause vasodilation, blood pressure drop, heart rate slowdown, cerebral blood flow reduction and other physiological effects, and has a good therapeutic effect on patients with hypertension and cerebral arteriosclerosis.