Health-preserving tea capable of delaying senescence and preparation method thereof

The invention discloses health-preserving tea capable of delaying senescence. The health-preserving tea is prepared from the following components in parts by weight: 10-30 parts of dried toxicodendronvernicifluum leaves or 3-10 parts of dried toxicodendron vernicifluum, 10-30 parts of radix rehmanniae preparata and 10-30 parts of rhizoma polygonati. The health-preserving tea provided by the invention has the effects of calming five internal organs, harmonizing blood vessels, inducing diuresis, killing parasites and the like, has the functions of delaying senescence, enhancing human immune function, nourishing yin, moistening lung, preventing skin aging and the like, also can resist cancers and eliminate tumors and myoma, has effects on polyp, warts, scrofula and scrofula mass, can treat both symptoms and root causes, can achieve reinforcement and elimination in combination, can be used for treating gynecological diseases, can get rid of the stale and bring forth the fresh, and can clear the nutrientaspect and