The purpose of this study was to classify the situations arousing gratitude. 425 undergraduate students were presented with 10 types of situations that give rise to feelings of gratitude. They recorded scales of the 3 groups of emotional experiences: contentment, apologetic emotion, and unpleasantness. Cluster analysis revealed that situations were clustered into 5 groups: (a) imposing on others: situations that one is indirectly-helped by others, (b) receiving help: situations in which one is helped when in trouble, (c) receiving gifts: situations in which one receive a gift when not in trouble, (d) good condition: situations in which one's surroundings are good for them, (e) knowing about other's distress: situations in which one knows other's bad condition. In addition, results of ANOVAs showed that the strength of emotional experiences differed by the type of situation.