The invention discloses a tea which can clear head, improve eyesight, nourish heart and strengthen brain; the invention comprises the materials with a mixture ratio by weight as follows, honeysuckle 6 to 15, cassia seed 9 to 15, feverfew 6 to 10, gen-seng 5 to 15, dodder 6 to 15, cortex albiziae 6 to 12, sealwort 8 to 12, spina date seed 9 to 16, shelled cedar seed 6 to 12, Lucid Ganoderma 5 to 15; the invention discloses a method of preparing a tea which can clear head, improve eyesight, nourish heart and strengthen brain, and the method comprises the following steps, (1) cleaning the honeysuckle, the cassia seed, the feverfew, the gen-seng, the dodder, the cortex albiziae, the sealwort, the spina date seed, the shelled cedar seed and the lucid ganoderma with cold water, airing, for use; (2) frying the spina date seed to yellowish, for use; (3) steaming, airing the shelled cedar seed, shucking, for use; (4) mixing the ten materials evenly, smashing or breaking up the mixture, binding the mixture into packages with crocus cloth. The tea which can clear head, improve eyesight, nourish heart and strengthen brain has the advantages of ready availability of materials, easy use, simple preparation method, being suitable for homemade drink, being more suitable for marketable mass production.