The invention discloses an educational resource sharing system based on big data, which includes an educational resource upload audit module, an educational resource information acquisition module, an educational resource classification module, a user login registration module, a learning stage analysis module, an educational resource matching module, and an educational resource Sharing module, knowledge point evaluation module, educational resource matching adjustment module, and educational resource download audit module, the beneficial effects of the present invention are: by auditing the uploading of educational resources, the quality of educational resources is guaranteed, and the educational resources are classified. Analyze the learning stages of different schools by analyzing the teaching progress of different schools, that is, analyze the range of knowledge points taught in each subject of the school, and then match the students and resources according to the type of educational resources, and continuously match the resources with reference to the students' evaluation results Adjustment, so as to share educational resources suitable for their current learning stage to students, so as to make the learning effect better.