Learning and thinking education in Shenzhen. Shenzhen Xueersi Education is a training institution with rich experience and good reputation in the field of education. Since its establishment, the organization has been adhering to the concept of cultivating excellent students, adhering to the characteristics of small class teaching, opening classrooms, and refunding fees at any time if they are dissatisfied, so as to provide further expanded and improved extracurricular training services for primary and secondary school students with excellent grades and learning potential. This institution offers junior high school olympiad, primary school olympiad, senior high school olympiad and other courses. The course covers problem training, problem-solving skills, mathematical laws and applications.