The field lecture is important learning experience for students which is carried out in the open to apply the theory they have learned. This is necessary for the Ecology and Environment subject so that it can provide real experience for students. This study aimed to determine the benefits of joint field lecture between Biology Tadris Study Program at IAIN Kerinci and the Masters in Biology Education at Padang State University for Ecology and Environment subject. The research method was descriptive qualitative-quantitative (mixed method). The research subjects were selected Biology Tadris students along with IAIN Kerinci lecturers and students of the Masters of Biology Education, Padang State University. Data collection was carried out with tools in the form of the questionnaire and the interview list. After the data were collected qualitatively, the data were analyzed based on each indicator of questionnaire and interview, so that the total results of all indicators were obtained. For the data from questionnaire were quantified in percentage. The study results indicated that joint field lecture provided the benefits for students who participated in field lecture activities. The results of questionnaire and interview showed the benefits for students in increasing knowledge, insight, motivation, and experience. In the implementation of the field lecture, students were very good at collaborating, both within groups and among groups.