Provided are a method for producing a polysaccharide thickener-containing preparation in which formation of lumps is suppressed when the polysaccharide thickener-containing preparation is added to a liquid, and in which the inherent thickening function or gelling function of the polysaccharide thickener is exhibited satisfactorily; and the like.The method for producing a polysaccharide thickener-containing preparation comprises granulating a polysaccharide thickener using one or more binder liquids, wherein a starch decomposition product having a DE of 1 or more and 50 or less, and at least one member selected from the group consisting of pullulan, guar gum, guar gum decomposition product, gum arabic, gum ghatti, soybean polysaccharides, pectin, and alginic acid and derivatives thereof are used as components of the one or more binder liquids.