Wanglaoji formula contains several kinds of cactus, egg flower, bujia leaf, chrysanthemum, honeysuckle, Xiaku Cao and licorice, which are all heat-clearing and heat-relieving ingredients. There are no contraindications to drinking Wanglaoji because there are few chemical ingredients in this herbal tea drink, but the only thing you should pay attention to is that if it's summer time don't drink too cold Wanglaoji oh~