The invention discloses a herbal tea for decreasing internal heat, which is characterized by being prepared from following raw materials in parts by weight: 10-12 parts of honeysuckle, 9-12 parts of semen oroxyli, 10-12 parts of feverfew, 5-8 parts of liquorice, 10-12 parts of pericarpium citri reticulatae, 5-8 parts of red date, 9-12 parts of wolfberry, and 10-12 parts of rock candy. The herbal tea can be prepared into aqueous preparation, granula, teabag and sirup to be sold. In the herbal tea, honeysuckle has the function of clearing heat and toxic materials, feverfew has the functions of clearing liver fire and improving eyesight, semen oroxyli has the functions of relieving sore throat and moistening the lung, liquorice has the functions of moistening the lung and relieving cough, purging fire for removing toxin, and coordinating the drug actions of a prescription, pericarpium citri reticulatae has the functions of clearing damp and eliminating heat, red date has the function of tonifying middle-jiao and qi, and the rock candy has the function of reducing internal heat, and the components cooperate and supplement each other, thus realizing the effects of clearing heat and toxic materials, clearing liver fire and improving eyesight, relieving sore throat and moistening the lung, tonifying middle-jiao and qi, clearing damp and eliminating heat; the herbal tea is suitable for people of all ages and both sexes, especially for sub-health people and people who work tired, stay up late and are sleepless, can be taken for long, and plays roles of health care and disease prevention.