The invention discloses a detergent for porcelain tableware and relates to the technical field of porcelain colored glaze cleaning. The detergent is prepared from the following raw material ingredients: hard polyurethane foam, Arabic gum, garlic oil, an ethylparaben alcoholic solution, a pelargonium hortorum extract, a sorosis extract, lotus seed powder, a fructus schizandrae extract, fossil water, a dogwood fruit extract, carboxymethyl chitosan, 3,4-dimethylpyrazate, polyglyceryl fatty acid ester, monoglyceryl laurate, terpene resin, ammonium polyphosphate, triphenyl phosphate, tung oil modified novolac epoxy resin, concentrated hydrochloric acid, a softener, silane, propylene asphalt resin, an alkaline solution, deionized water and ethanol. According to the detergent for the porcelain tableware, biological materials are selected and are subjected to physical processing and treatment, so that the detergent is free of enrichment of heavy metals such as lead and nickel, and attached oilstains, dirt and the like can be effectively removed from colored glaze of tableware and the like; and the detergent does not damage the porcelain tableware, is free of decoloring, does not wash offcolors of the colored glaze, is safe and non-toxic, is easy in cleaning and does not stain the porcelain tableware.