Safe. Xiao Zhi app is the mobile terminal of the national smart education platform for primary and secondary schools carefully created by the Ministry of Education. It is an absolutely safe and reliable educational app, which can be used with confidence. There are six kinds of resources in smart primary and secondary schools, which are divided into special education, curriculum teaching, after-school service, teacher training, family education and practical experience in teaching reform. At the same time, teachers, students and parents can register and log in according to different user identities, and have different access rights accordingly.