PURPOSE: To provide an artificial flower device having functions to vary the color and shape of ornamental artificial flower placed in room, etc., thus letting a person enjoy the flower.

CONSTITUTION: The objective device is composed of an artificial flower part having a flower part made of a heat-sensitive colorvarying cloth or a heat- sensitive color-varying paper, etc., varying its color by temperature and a stalk part made of a shape-memory alloy, varying its shape with temperature and a blower blowing hot air or cold air against the artificial flower.