The invention discloses an anti-radiation functional beverage. The anti-radiation functional beverage is prepared from following raw material in parts by weight: 19-23 parts of lucid ganoderma, 1-2 parts of astragalus membranaceus, 1-2 parts of rhodiola rosea, 1-2 parts of sea cucumbers, 15-19 parts of lentinus edodes, 14-18 parts of agropyron cristatum, 8-9 parts of black sesames, 3-5 parts of garlic, 14-18 parts of tomatoes, 13-17 parts of cabbages, 18-20 parts of leaf mustards, 14-19 parts of bodinier beauty-berry seeds, 13-15 parts of apples, 10-12 parts of bananas, 5-6 parts of an auxiliary agent and a proper amount of water. Compared with the prior art, the anti-radiation functional beverage prepared by the invention is added with less garlic and other auxiliary components, and the mouth feel of the beverage is not influenced; elements including germanium, selenium and the like in the garlic can inhibit the growth of tumor cells and cancer cells so that the beverage has the effects of life cultivation and health preservation, immunity enhancement, oxidization resistance, fatigue resistance, aging decaying, anti-radiation function and the like after being drunk for long time.