School cooperatives are cooperatives whose members are students or students of a school that serves as a forum for educating the growing awareness of cooperatives among students. For this reason, we need a forum that is expected to be able to achieve these objectives, namely school cooperatives. Cooperatives have a direct contribution to the welfare of their members because cooperatives have the principle of kinship and also the function of cooperatives for the welfare of their members. DDI Lilbanat Islamic boarding school as one of the business units, Islamic boarding schools aim to meet the needs of teachers and students in daily life. This research was conducted by raising the issue of: 1. How the efforts of DDI Lilbanat boarding school cooperatives in meeting the needs and improving the welfare of teachers and students, 2. How is the function of the DDI Lilbanat boarding school cooperatives in order to improve the welfare of teachers and students. This type of research used in this thesis is a qualitative descriptive method, the data in this study were obtained from primary data and secondary data. Data collection techniques used were observation, interviews, and documentation. The data analysis technique used is the inductive method and the deductive method. The results showed that: 1. The efforts of DDI Lilbanat Islamic Boarding School Cooperative in meeting the needs and improving the welfare of teachers and students, namely by improving both the activities of cooperatives, the management of their business units and their cooperative management so that the needs of members (teachers and students) are met and the welfare of members can improve the welfare of teachers and students, namely building and developing the potential and economic capabilities of members (teachers and students), helping members' needs, fostering awareness of cooperatives and fostering a sense of responsibility, discipline and cooperative spirit