A composition for improving meat product quality, comprising at least 4-30 of an edible salt, 1-15 of a carbonate, 0.1-15 of an organic acid salt, 0.1-6 of a sugar alcohol, 0.1-8 of an isomaltulose and/or trehalose, and 0.01-8 of a chito-oligosaccharide composition, in weight parts. The composition has good water retention and good meat tenderizing effect, in addition to be still a good meat tenderizer after repeated freezing and cooking with the meat product being highly elastic, tender and juicy and having little loss during freezing and cooking.
