Xiaojinhua black tea is a kind of high-quality black tea, and its functions include:

1. Promote metabolism: Xiaojinhua black tea is rich in polyphenols and catechins, which helps to promote the body's metabolism and accelerate digestion and excretion.

2. Weight loss: Xiaojinhua black tea has a good effect of reducing blood fat and lipid, which can effectively help to lose weight and reduce body fat accumulation.

3. Improve blood lipid and blood pressure: Various components contained in Xiaojinhua black tea help to reduce blood lipid and blood pressure, which is very beneficial to patients with hyperlipidemia, hypertension and other diseases.

4. Anti-aging: The polyphenols and other components rich in Xiaojinhua black tea have strong antioxidant effect and can effectively delay aging.

5. Improve immunity: Tea polyphenols and other ingredients in Xiaojinhua black tea can stimulate the immune system, effectively improve immunity and enhance the body's resistance.

In short, Xiaojinhua black tea has many functions and is suitable for different people to drink, but it should be noted that it is best to consult a doctor or a professional before drinking.