The invention discloses white and black nutritional tea. The white and black nutritional tea comprises the following raw materials: lilies, ginkgo, lotus seeds, black rice, black sesames, black beans, the wolfberry fruits, walnut kernels and coix lacryma-jobi kernels. The preparation method for the white and black nutritional tea comprises the following steps: cleaning, pre-drying, ultrafine crushing, low-temperature puffing, cooling, mixing and packaging. With the adoption of an advanced ultrasonic cleaning technology, a microwave drying technology, an ultrafine crushing technology and a low-temperature puffing processing technology, the nutritional values and the health functions of the lilies, the ginkgo, the lotus seeds, the black rice, the black sesames, the black beans, the wolfberry fruits, the walnut kernels and the coix lacryma-jobi kernels can be kept to the maximum extent; the nine traditional Chinese medicines are matched mutually to cooperatively achieve the effects of moistening lung, relieving asthma, strengthening the spleen and stomach, benefiting qi for activating blood circulation, nourishing the liver to improve visual acuity, clearing away heat and toxin, tonifying the brain, soothing the nerve, tranquilizing and aiding sleep, maintaining beauty, keeping young and the like; the white and black nutritional tea also has an anti-cancer effect, is convenient to carry, safe, reliable, obvious in diet therapy effect and suitable for various types of people.