The invention discloses slimming healthy tea, and relates to the technical field of traditional Chinese medicine beverages. The slimming healthy tea is prepared from the following raw materials in parts by weight, 3 g of psyllium husks, 3 g of pericarpium citri reticulatae, 10 g of fructus lycii, 5 g of lotus leaves, 5 g of hawthorn fruit, 3 g of semen cassiae, 3 g of hibiscus sabdariffa flower, three red dates and 10 g of rhizoma smilacis glabrae. A method for preparing the slimming healthy tea comprises the steps of cleaning the medicinal materials with water first, taking the medicinal materials out, placing the medicinal materials in a pot, pouring 600 ml of clear water in the pot, boiling with big fire, and continuing boiling with medium heat for another 10 min to obtain the slimminghealthy tea. The slimming healthy tea can be taken once a day as ordinary tea. By taking the slimming healthy tea, a weight loss effect can be achieved by tonifying qi and blood, strengthening spleenand regulating qi, promoting metabolism, eliminating stubborn stool, removing toxins in the intestinal tract, clearing heat and reducing fat, reducing blood pressure, relaxing bowels, and promoting digestion and relieving stasis, diarrhea is avoided, users do not regain weight easily after stopping taking the slimming healthy tea, and the slimming healthy tea is safe, reliable and free of side effects.