With the development of social economy, the subjects, methods, and contents of ideological and political education have undergone changes. It is not only necessary to give full play to the role of ideological and political courses but also to focus on exploring teaching forms and methods to promote the realization of the goal of “fostering virtue through education”. Under the background of the new curriculum reform, in middle school biology teaching, it is necessary to implement “fostering virtue through education”, carry out ideological and political education, effectively improve the effect of talent training, and promote the development of students’ values. From the perspective of middle school biology, this paper discusses the necessity of integrating curriculum ideology and politics, analyzes the principles that should be followed in the infiltration of ideological and political elements, and puts forward specific strategies for biology teaching practice, aiming to cultivate students’ good values and lay a solid foundation for their subsequent knowledge learning.