The invention discloses a health care tea prepared by using narrow leaves and tender branches of wood of shinyleaf yellowhorn, and discloses a preparation process of the health care tea. The preparation process specifically comprises the steps of acquiring tea leaves, sorting, withering, beating, carrying out stir fixation, rolling, drying, sterilizing, screening, and the like. The health care tea contains beneficial ingredients such as chrysophanol, emodin monomethyl ether, beta-sitosterol, frangulic acid, 2,5-dimethoxy benzoquinone, quercetin, general flavone, and sugar as well as polysaccharide and glucoside, tannin, coumarin, protein, polypeptide and amino acid, strontium, zinc, barium, iron copper, manganese and other microelements.