A pink student means that the students at school don't have their own looks, just a pile of pink. Students who have a student status relationship with the school and have not graduated, completed their studies or dropped out of school, including full-time students and part-time students.

The development of students is to form the elements, structure and quality of a relatively stable physical and mental organization through the influence and edification of school education, and to express actual needs according to social development and human development.

The fundamental purpose is to comprehensively improve students' basic quality, respect students' subjectivity and creativity, fully develop students' wisdom potential, develop students and improve their personality. From the perspective of educational objectives, student development includes six aspects.