The invention discloses cordyceps health-preserving tea and a making method thereof. The cordyceps health-preserving tea is obtained by drying collected excellent fresh cordyceps militaris to obtain a dry product and then effectively and scientifically matching the obtained dry cordyceps militaris product with white tea or black tea. Compared with a traditional tea product, multiple nutrients and biological active components, which are good for health, are furthest kept in the beverage obtained by using the method provided by the invention; and the tea has the advantages of bright and golden tea juice, fresh and sweet mouthfeel and no toxic and side effects, and has effects of nourishing lungs and kidneys, regulating immunity, resisting radiation, oxidation and tumors, lowering blood pressure, blood fat and blood sugar, nourishing the heart, liver, eyes, spirits and vital energy, whitening skin, maintaining beauty and the like.