The invention belongs to the technical field of psychological early warning, and provides a student psychological crisis early warning system based on multi-modal data. The system comprises a client, a server, a data acquisition module, a teacher daily record, individual evaluation data, psychological general survey data, a data analysis module, a prediction model, a psychological intervention module, a psychological counseling module, a knowledge learning module and crisis management. The client is in bidirectional signal connection with the server, the server is in unidirectional signal connection with the data acquisition module, and the data acquisition module is in unidirectional signal connection with the teacher daily record. According to the student psychological crisis early warning system based on the multi-modal data, the prediction model is generated, student psychological evaluation data is summarized, influence factor data of psychological crisis early warning are integrated, a student psychological early warning report is generated, various data are researched and judged to reduce errors, user psychological health conditions are classified and managed, targeted intervention and guidance services are provided, and the psychological crisis management efficiency is improved.