The crm system for educational institutions should have the following functions: first, it should have a student database. The system should be able to store the basic information of the students, including their name, gender, age, contact information, etc. in the database; secondly, it should have a communication function. The system should be able to communicate with the students in real time, so that the teachers can answer the questions of the students at any time, and the students can also give their suggestions to the teachers; thirdly, it should have a function of course management. The system should be able to manage the courses of the students, so that the teachers can know the courses that the students have taken and the courses that the students have not yet taken; fourthly, it should have a function of examination and assessment. The system should be able to conduct examinations and assessments for the students, so that the teachers can know the performance of the students in the examinations and assessments, and give corresponding guidance to the students; fifthly, it should have a function of feedback. The system should be able to get the feedback of the students in time, so that the teachers can improve the teaching quality in time according to the feedback of the students.