A dendrobium officinale health tea is prepared by the following steps of: firstly, washing dendrobium officinale, pine, bamboo and machilus zuihoensis hayata, drying, using dendrobium officinale as a raw material 1, adding mountain spring water, decocting for 60 minutes, cooling to normal temperature, and filtering to obtain a preparation 1; secondly, mixing pine needles and bamboo leaves as raw materials 2 and 3,adding mountain spring water, decocting for 40 minutes, cooling to normal temperature, and filtering to obtain a preparation 2 and 3; thirdly, adding machilus zuihoensis hayata leaves and mountain spring water, decocting for 25 minutes, cooling, and filtering to obtain a preparation 4; finally, mixing the preparations 1, 2, 3 and 4, diluting by the use of mountain spring water, adding honey and an antiseptic, filling, followed by sterilization to obtain the dendrobium officinale health tea. The dendrobium officinale health tea provided by the invention has no toxic and side effect, and can be used to nourish yin, supplement vacuity, generate body fluid, enrich blood, raise human body's immunity function and enhance human body's antioxidant and anti-aging capacities.