The invention provides a health-care cornus officinalis tea capable of improving the immunity. The health-care cornus officinalis tea is prepared from the following raw materials in parts by weight: 10-50 parts of cornus officinalis, 10-20 parts of cortex lycii radicis, 10-20 parts of atractylodes macrocephala koidz, 10-20 parts of radix rehmanniae preparata, 10-20 parts of curculigo orchioides, 10-20 parts of epimedium, 10-20 parts of codonopsis pilosula, 10-20 parts of astragalus membranaceus, 10-20 parts of astragalus complanatus, 10-20 parts of fructus schizandrae, 10-20 parts of cortex albiziae, 10-20 parts of fructus rubi, 10-20 parts of poria cocos, 10-20 parts of radix polygoni multiflori preparata and 10-20 parts of asparagus cochinchinensis. The cornus officinalis can be used for tonifying the spleen, moistening the lung and reducing the lipid, reducing the blood fat, reducing the blood pressure, reducing the cholesterol, and reducing the blood sugar, so that the ingredients of the blood are purified. Traditional Chinese medicines which are mild in taste, and do not affect the taste of the cornus officinalis are added, and the cornus officinalis does not contain a foul and inedible taste of the traditional Chinese medicines, so that the cornus officinalis is easy to accept by people, can be drunk for a long period of time, and can well improve easiness in cold, eye acidity, poor sleep quality, spleen-insufficiency, hypodynamia, less eating and dry mouth, drinking and urine, kidney deficiency and soreness and weakness of the waist and the knees, frequent micturition at night, impotence and emission, tinnitus and blurring vision, premature graying of hairs, weakness, thinness, wind lecture and tinea of sub-health people.