Nowadays, the collective forest areas has changed the traditional development model and carried forward vigorously the development of eco-tourism, which conforms to the theme of green development. The residents’s material, environment, life and self-value data were collected from Xijiangcun village, Tashanxiang Administrative Township, Changning City. Then the data was analyzed by using SPSS17.0. finally, a happiness index model was established to measure the residents’ happiness feelings of after developing eco-tourism. The results are as fo...