Due to the double reduction policy, the organization has made adjustments, and the adjustment plan: after-school homework is no longer assigned, and the training time has also been adjusted. Dolphin education was established in 2000, mainly providing 1 to 1 and small class teaching services for primary and secondary school students. Headquartered in Nanjing.

Dolphin Education, established in 2000, is an education and training institution focusing on 1 to 1 and small class teaching in primary and secondary schools in China, with its headquarters in Nanjing, Jiangsu Province. Dolphin education has been devoted to the exploration and practice of extracurricular education in primary and secondary schools, and has launched a set of teaching service model, which has been extended to seven cities including Nanjing, Hangzhou, Changzhou, Wuxi, Jiangyin, Changxing and Zhangjiagang, with a total of 32 campuses.