Chinese medical researchers claim that oolong tea has weight-loss effects. The popularity of oolong tea is entirely due to its ability to dissolve fat, a claim supported by scientific evidence. The main component in tea—tannic acid—has been confirmed to be closely related to fat metabolism. Experimental results also show that oolong tea can indeed lower blood cholesterol levels, making it a truly remarkable weight-loss tea.

Experiments have proven that drinking one liter of oolong tea daily has an effect of inhibiting cholesterol increase. Although the amount consumed should depend on individual health conditions, it is best to pair oolong tea with greasy food, as it not only provides a feeling of fullness but also helps remove grease.

Enjoying oolong tea not only benefits human health but also adds endless pleasure. However, there are three taboos: first, do not drink on an empty stomach—otherwise, it may cause hunger pangs and dizziness, known as "tea intoxication"; second, do not drink before sleep—otherwise, it may cause difficulty falling asleep; third, do not drink cold tea—cold tea is cold in nature and harmful to the stomach. These three taboos are especially important for beginners of oolong tea, as oolong tea contains more tea polyphenols and caffeine than other teas.