Huaqingyuan education is not a pit class. Beijing Huaqingyuan Education Examination Research Institute is one of more than ten subsidiaries of Tsinghua Yuan Education Group (Tsinghua Yuan Education Group was established in 200 1 with an annual output value of over 200 million). Since its establishment, the head office has accumulated a strong faculty and grasped the development trend of middle school education through professional, efficient and personalized extracurricular and pre-test counseling, so Huaqingyuan education is not a pit class.