The invention discloses a formula and preparation method of a health-care beverage.The health-care beverage is prepared from, by weight, 10-50 parts of flos chrysanthemi, 10-20 parts of feather cockscomb seeds, 10-20 parts of radix ophiopogonis, 10-20 parts of semen ziziphi spinosae, 10-20 parts of flos buddlejae, 10-20 parts of semen cassia, 10-20 parts of poria cocos, 10-20 parts of white hyacinth beans, 10-20 parts of radix geutianae, 10-20 parts of pericarpium citri reticulatae, 10-20 parts of liquorice roots, 10-20 parts of radix trichosanthis, 10-20 parts of fructus gardenia, 10-20 parts of fructus citrus sarcodactylis, 10-20 parts of cortex lycii radicis, 10-20 parts of herba leonuri, 10-20 parts of flos eriocauli, 10-20 parts of roselle calyx, 10-20 parts of common selfheal fruit-spike and 10-20 parts of flos albiziae.The health care beverage aims at the liver harming behaviors that urban office workers generally use computers for handling office business, watch the computers for a long time, excessively smoke cigarettes and drink wine, intemperately spend the nightlife, stay up late and excessively use the eyes to enable the eyes to be not relieved, has the effects of nourishing the liver and the kidney, benefiting yin, nourishing blood, tonifying deficiency, benefiting essential qi, dispelling wind and improving the eyesight and is high in pertinence.