Specific operation steps: Step 1: After the user enters the personal center with good grades, click "Basic Information of Examination"; The second step is to do well in the exam and get the seat number. The test number is the admission ticket number, which is the number that students fill in on the answer sheet. Students should be clear. Parents should consult their students. If the school adopts the way of issuing bar codes, students may not know their test numbers. Please consult the teacher.

Good marks are not only a learning platform based on students' test data, but also a platform to provide customized education services for students, parents and teachers. Through big data analysis, we can predict what kind of university students can get into with their current grades or how many points they still have from the target university, and then encourage students to study hard, work hard for the target university and improve their grades.