The invention discloses fructus lycii, ginger and date tea and a preparation method thereof and relates to the technical field of healthcare drinks. The tea is prepared from raw materials in parts byweight as follows: 15-25 parts of fructus lycii, 25-35 parts of Huai ginger, 16-24 parts of radix liriopes, 5-10 parts of radix glycyrrhizae, 2-5 parts of sweet-scented osmanthus, 2-4 parts of winterjasmine flowers, 3-7 parts of desmodium triquetrum, 10-20 parts of red dates, 20-30 parts of brown sugar and 10-20 parts of honey. The tea is mainly used for treating cold, deficiency and dryness, allthe components are matched for use, and the tea has the effects of nourishing the liver and kidney, tonifying the spleen, warming the stomach, dispelling cold and diminishing inflammation, can be used for treating symptoms of deficiency-cold in spleen and stomach, chronic cough caused by lung deficiency, liver and kidney deficiency and the like and also has functions of maintaining beauty and resisting senescence. In the preparation method, fresh ginger can produce more juice after being heated, the irritation of ginger juice to the stomach can be relieved after the ginger juice is matched with the dates and radix glycyrrhizae, ginger residues, radix liriopes, esmodium triquetrum and radix glycyrrhizae are decocted for extraction of effective ingredients, the fructus lycii, red dates andthe like are directly crushed and boiled, so that the effective ingredients are easy to absorb and utilize, and the tea has fragrant aroma and tastes good due to addition of sweet-scented osmanthus and winter jasmine flowers.