The invention provides an effervescent tablet and extract tablet prepared by edible flowers or extracts from the flowers, belonging to the technical field of food and health food, and comprising 10 to 98% of flowers or extracts from the flowers and 2 to 90% of auxiliary materials. The flowers include rose, lily, sweet osmanthus flower, Chinese rose flower, honeysuckle flower, chrysanthemum, Azalea, root of vetchleaf sophora, commen bomhax flower, jasmine flower, plum blossom, pink, lotus flower, myosotis sylvatica, Chinese scholartree flower, lavender, snow lotus herb, globeamaranth flower, shrub althea flower, cockscomb flower, kudzuvine root, seville orange flower, gardenia, orchis, lilac, camellia, rose bloom, aglaia odorata, mentha viridis flower, motherwort flower, iris japonica thunb, lute flower, Yulan magnolia flower, finger citron flower, banana shrub, common rush, pine pollen, common peony and the like; the extracts from the flowers are the extracts from the above flowers; the auxiliary materials include sodium bicarbonate, citric acid, sucrose power, honey, aspartame, xylitol, CMC, gelatin, dextrin, magnisium stearate, edible talc power. The invention has the advantages of convenient eating, high nutrition health value, good taste and the like.