In recent years, the Internet and information technology have exerted a profound impact on education. “Internet +” has been closely integrated with teaching, which has revolutionized teaching. in order to improve the teaching level of Microbiology Field Practice, adapt to the requirements of the new era on talent cultivation, promote the development of students? autonomous learning ability, hands-on ability and innovation ability, improve students? comprehensive quality, and achieve good social benefits, relying on the online course teaching platform of super star, teachers and students jointly participated in the construction of online courses of microbiology field practice to assist classroom teaching, giving full play to the leadership of teachers and the subjectivity of students. students accepted the education model of “Internet +” internship well, and organically combined their mastery of knowledge with their development ability. under the background of “Internet +”, the new classroom teaching mode of micro-course construction has promoted the construction and development of microbiology field practice course, and effectively promoted the teaching level of Microbiology Field Practice and the improvement of students? independent learning ability, hands-on ability and innovation ability.