The purpose of this study is to investigate the current status and relationship of travellers' participation in foreign tour leader services and behavioral intentions. And analyze the differences between tour leader services and behavioral intentions of passengers participating in foreign travel with different background variables. This study is based on the travellers who participated in foreign travel. The Leader Service and Behavioral Intentions scales were used as research tools. A total of 500 questionnaires were distributed by questionnaires, and 450 valid questionnaires were obtained. For descriptive statistic, independent Samples t-test, independent sample One-way ANOVA and Pearson product-moment correlation were used to analyze those questionnaires. The study results are listed below: 1. In the context of the traveler's background, the gender is "male", the age is "30-39", the education is "college", the occupation is "business", the income is "30,001-45,000", and the number of trips is "1- 2 times" and the tourist area is "Northeast Asia". 2. As far as the current situation is concerned, the average score of the leader service and behavior intention is high. 3. "Age" and "Education" are in the background variables have significant differences in leader service. "Age", "Education", "Income" and "Tour Area" are in the background variables have significant differences in behavioral intentions. 4. Leader services and behavioral intentions are significantly relevant at all levels. The study also provides suggestions based on the study results for the related industry.