Study hard and think hard. The favorable rate of Xuexin.com Jinan Sidi Education is 86%, and that of Xuexin.com Learning and Thinking Education is 95%. The orientation of learning and thinking is mainly to train excellent students, that is, to train students with good grades and strong teachers, as opposed to learning and thinking well. Learning and thinking, founded in 2003, is an extracurricular tutoring institution for primary and secondary schools based on Olympic mathematics in primary schools.