1. Support cardiovascular and cerebrovascular health: Buckwheat is rich in rutin and flavonoids, which can lower blood pressure, regulate blood lipid and prevent cardiovascular and cerebrovascular diseases.

2. Enhance immunity: Black buckwheat is rich in nutrients such as vitamin C and zinc, which can enhance immunity and enhance the body's resistance.

3. Weight loss: Black buckwheat is rich in dietary fiber and plant protein, which helps to control appetite, promote gastrointestinal peristalsis and help to lose weight.

4. Anti-oxidation and anti-aging: Rutin and flavonoids in black tartary buckwheat tea have strong anti-oxidation effect, which helps to inhibit the damage of free radicals to cells and delay aging.

Taboo:

1. Cold constitution: Black tartary buckwheat tea is cold, which easily leads to excessive yin and cold in cold constitution, leading to physical discomfort.

2. Sick: buckwheat tea is cold, and people who are weak and sick should not drink it.

3. Deficiency of spleen and stomach: Black tartary buckwheat tea is cold, and people with deficiency of spleen and stomach are prone to symptoms such as indigestion and diarrhea.

4. Pregnancy: Pregnant women should be careful to drink black tartary buckwheat tea during pregnancy, because its cold texture may affect the development of the fetus.