The invention belongs to the field of ceramic products, and particularly relates to a ceramic product with a fresh-keeping function and a preparation method thereof. The method comprises the steps that tourmaline powder, chlorite, sepiolite, diatomaceous earth, kaolin, active black golden carbon, azure mud, hematite and rice husk powder are calcined; the calcined materials are pulverized, then mixed with palm fiber, bamboo charcoal powder, silochrom, sugar-cane molasses, corn flour, phenolic resin, epoxidized soybean oil, beewax, a bacteriostatic agent, sodium bicarbonate, food-grade magnesiumoxide, zinc oxide and titanium oxide, ground, sieved, wet-milled and vacuum-pugged to prepare a blank of the ceramic product; the blank is dried and then sintered. The ceramic product with the fresh-keeping function and the preparation method thereof have the advantages that anti-oxidation and anti-bacteria functions are achieved, the ceramic product can be designed in diversification, that is tosay, the ceramic product not only can be used for food storage and transportation, but also can be used for health care products.