The effect of NaCl concentration on the growth of vitro plantlets Chrysanthemum × morifolium Ramat was studied using asexual reproductive Chrysanthemum × morifolium plantlets as the material with single-factor test.The growth of Chrysanthemum× morifolium plantlets was affected in all the treatment containing different NaCl.Chrysanthemum× morifolium plantlets grew better in the medium containing 1.0% NaCl.