This research was motivated by the lack of student activity in the learning process. Much of the biology material that is memorized makes it difficult for students to understand the lesson and there is a lack of teaching materials used by teachers. Therefore, the learning process is very dependent on the teacher's explanation and students only receive material from the teacher. The aim of this research is to develop teaching materials in the form of modules based on the 7E learning cycle that are valid and practical for teaching materials that can support the learning of excretory system material for class XI students at MAN 50 Kota. This type of research is 4D model development research which consists of the definition, design, development and socialization stages. This research has just reached the development stage. The validation process was carried out on biology lecturers, biologists and biology teachers with validation instruments and practicum adequacy instruments used at the testing stage. The validity results obtained a score of 93% in the very valid category, teacher practicality was 90% in the very practical category, and the student practicality level was 90% in the very practical category. Thus, a 7E learning cyclebased module can be used.