In summer fishing, grain flavor is more effective for omnivorous fish such as crucian carp and carp, and in spring fishing, grain flavor bait is not too effective for crucian carp.

Grain scent refers to the scent of various grain-based cereals, and since grains are vegetarian, grain scent also represents the scent of vegetarian food, and the scent of corn and rice is the most typical type of grain scent.