The invention discloses dark plum tea with effects of clearing heat and summer heat and a making method thereof. The dark plum tea is made from, by weight, 15-18 parts of dark plums, 20-25 parts of mung beans, 12-15 parts of hyacinth beans, 6-8 parts of sweet wormwood herb, 10-12 parts of caulis dendrobii, 6-10 parts of lotus plumule, 25-30 parts of bamboo leaf headings, 30-35 parts of watermelon peel, 5-7 parts of caulis bambusae in taeniam, 6-8 parts of radix salvia miltiorrhiza, 3-5 parts of cape jasmine fruit, 4-6 parts of rhizoma homalomenae, 7-8 parts of longan shells, 4-5 parts of fructus rosae laevigatae, 8-10 parts of weathered sodium sulfate, 7-8 parts of water chestnut powder, 3-4 parts of hericium erinaceus, 6-10 parts of fructus cannabis and an appropriate amount of rock candy. The dark plum tea has the good mouthfeel, and the herbal tea is made by taking the dark plums, the mung beans, the hyacinth beans and caulis dendrobii which have the effects of clearing heat and summer heat and dispelling wind and heat as main raw materials; by adding multiple health-care affinal drug and diet medicine materials, the dark plum tea achieves richer mouthfeel and is moderate in sour and sweet; all the raw materials are combined, and therefore the dark plum tea achieves the health-care effects of clearing heat, removing toxicity, driving away summer heat, promoting body fluid secretion, clearing away the heart-fire, relieving restlessness, relieving the sore throat and eliminating phlegm and is free of side effects and popular with people.