The "Eaglet program" is a bridge between universities and high schools. Over the years, under the "colleges & high school" mode of university and high school combination, the plan has not only provided high school students with opportunities to study science and technology in depth, but also cultivated many talents with good scientific research foundation and innovative thinking for universities. Based on the review of the whole process of guiding the phase of the project, this paper discusses the particularity of scientific research subject, the uniqueness of scientific research methods and the diversity of scientific research means under the "college & high school" cooperation mechanism. From the perspective of Eaglet students, it also analyzes the training measures and characteristics of Eaglet students, and the key content to be grasped in the training process. Finally, it discusses the relationship between the development of scientific research and the mode of talent training in colleges and universities.