1. Clearing heat and dampness: dandelion and chrysanthemum have the effect of clearing heat and dampness, which can help to discharge excess water and dampness in the body, and enhance the human body's immunity.

2. Lowering blood pressure: Chrysanthemum tea has the effect of lowering blood pressure, which can be applied to patients with high blood pressure.

3. Beauty: chrysanthemum and cassia seeds are rich in vitamin C and carotenoids, which have moisturizing and beautifying effects on the skin.

4. Anti-inflammatory and pain relief: dandelion and chrysanthemum have some anti-inflammatory effects, which can relieve inflammation and pain.

5. Anti-diet and diuretic: dandelion and chrysanthemum tea can also promote intestinal peristalsis and help digestion, as well as diuretic effect, which helps to remove excess water and salt from the body.

Contraindications:

1. Pregnant women should not drink: dandelion, cassia and chrysanthemum have a certain role in clearing away heat and dampness, and should be used with caution in pregnant women.

2. Cold patients should not be used with caution: dandelion and chrysanthemum tea has a heat-cleansing and detoxifying effect, for people with a cold constitution, it will aggravate the body's cold and symptoms, and should not be consumed.

3. Liver and kidney insufficiency should not drink: dandelion has a certain diuretic effect, and liver and kidney insufficiency in the body there is a large amount of waste and toxins excreted, drinking tea will increase the burden on the liver and kidneys, should not be used.