2, but chrysanthemum cassia bias cold, the body cold crowd is contraindicated to drink, overnight tea easy to breed bacteria is also contraindicated to drink.
3, chrysanthemum cassia tea clear liver and eyesight, moisturizing and laxative, correct drinking is beneficial. But everyone's constitution is different, chrysanthemum cassia are cooler things, for the body cold people, is not suitable to drink too often, and even produce side effects.