Scenic Beauty Estimation (SBE) method is an objective measurement method for scenic beauty. SBE ruled out the subjective personal judgment of supervisors and operators. This study focuses on how to use SBE method to explore the tourists' landscape preferences and feelings. To understand the tourism resources how to be arranged to be the most suitable for tourists planning a travel route. The study area is Penghu. In this study, we use the 32 scenic photos to get the SBE values of the Penghu tourists' landscape preferences. A total of 250 questionnaires were distributed and 248 effective questionnaires were collected. The evaluation results will be the basis of the tourist preferences in route planning.