The topic on generational differences in Taiwan and abroad has attracted the attention of the academic and practical circles. There is no research in Taiwan studying different leisure attitudes and preferences from the perspectives of different generations. Therefore, this study focused on the leisure preferences of X-generation and Y-generation that have considerable consumptive abilities, and the results showed that: 1. Leisure preferences of X-generation and Y-generation: (1) X-generation: prefer picnic, sightseeing travel, listening to music, visiting historic monuments, playing badminton, riding bicycles, reading books, and watching movies; the favored preferences over that of Y-generation are visiting historic monuments and reading books. (2) Y-generation: prefer listening to music, surfing Internet, sightseeing travel, picnic, camping, playing badminton, reading comic books, playing video games, shopping, playing water; the favored preferences over that of X-generation are listening to music, surfing Internet, watching movies, camping, reading comic books, and playing video games. 2. Leisure attitudes of X-generation and Y-generation: The overall population of both X-generation and Y-generation showed higher leisure preference, when their leisure attitudes were more positive. Based on the above results, this study suggests to related leisure industries designing leisure activities based on the leisure preferences of different generations, in order to attract more potential consumers.