The invention provides a tea capable of clearing away internal heat. The tea is prepared from, by weight, 15-20 parts of herba commelinae, 9-15 parts of herba polygoni chinensis, 6-12 parts of arctium lappa, 8-12 parts of adenophora trachelioides Maxim. and 20-30 parts of pears. According to the tea capable of clearing away internal heat, natural Chinese herbs such as herba commelinae, herba polygoni chinensis and adenophora trachelioides Maxim. with the effects of clearing away heat and toxic materials and moistening dryness for removing phlegm are adopted in compatibility with arctium lappa and pears containing multivitamins and rich mineral substances, so that the tea is unique in taste and remarkable in internal heat clearing effect. The product meets the health demand of modern people for the functions of moistening the throat for quenching thirst, clearing away internal heat and ensuring nutrition and healthcare and has broad market prospects.