The invention discloses a health protection tea and a preparation method thereof. The health protection tea is prepared by uniformly mixing the following raw materials by weight part: 20-30 parts of lucid ganoderma, 25-50 parts of extra-strong tea, 10-20 parts of ginsengs, 5-10 parts of lalang grass rhizome, 70-80 parts of autumn tea and 30-40 parts of codonopsis pilosula, beating the raw materials to be flat by using a wooden hammer, drying, and conducting vacuum packaging. The components are subjected to scientific compatibility and are pickled and beaten by the wooden hammer, so that the components can absorb each other, the effect is doubled, and the health protection tea has the health-protection effects of benefiting nerves, invigorating the stomach, maintaining health, improving the immunity of a human body and resisting oxidization, and is particularly suitable for being drunk by mental workers and mild and old-aged crowds.