According to official website's query, the Fish Circle APP platform is mainly for college students, focusing on the acquaintance socialization and pan-acquaintance socialization of users, and is committed to providing campus social services for users. Fish circle is a social software, which focuses on acquaintance socialization and pan-acquaintance socialization and provides users with campus social services. In addition, the fish circle helps college students make friends, share life, exchange learning experiences and enhance social experience by building a real, interesting and interactive social environment.