Based on the reciprocity theory, a dynamic reciprocal behavior model is verified by sampling the US and French group tourists in Tibet. Result shows that the US group tourists have only negative reciprocity, and French ones have both positive and negative reciprocity, indicating that tourists are more willing to sacrifice their interests to revenge hostile persons.

• Li Hui(Sichuan University, China)
• Yang Zhenzhi(Sichuan University, China)
• Li Taohong(Sichuan University, China)
• Shi Hong(Sichuan University, China)