The invention discloses a health-preserving tea, which uses asparagus as the main raw material, supplemented with Atractylodes macrocephala, wolfberry, honey, etc., is rich in nutrition and has higher nutritional value, and is a good product for health care and health preservation. Ingredients: 100-200 parts of asparagus, 20-30 parts of Atractylodes macrocephala, 20-30 parts of wolfberry, 20-30 parts of antler, 10-20 parts of Morinda officinalis, 10-20 parts of angelica, 10-20 parts of Daqingye, American ginseng 5-15 parts, 5-15 parts of dried ginger, 5-10 parts of Cordyceps sinensis, 5-10 parts of Angelica dahurica, 5-10 parts of honey. The preparation method is as follows: (1) Take asparagus, licorice, wolfberry, hawthorn, Panax notoginseng, angelica, big green leaf, ginseng, dried ginger, cassia seed and angelica dahurica, crush them, add water to soak for 3-5 hours, and then decoct for 30-60 minutes, Filtrate to obtain the filtrate, concentrate to a concentrated solution with a relative density of 1.1; (2) add honey to the concentrated solution, and perform conventional disinfection to obtain health-preserving tea.