Disclosed herein are a method for improving the saltiness of a food or drink, and the saltiness of a food or drink containing a salt and a grain. The saltiness enhancing method enhances the saltiness of salt-containing food or drink by adding a rare sugar to a raw material of the food or drink. The saltiness enhancing method is a method for reducing the salt content in a food or drink containing a salt, or a method for masking a grain odor due to a grain in a raw material of the food or drink that contains the grain as a part thereof and contains a salt. The rare sugar contains at least D-psicose.
