Dolphin service is a platform to provide on-site training guidance and services for early education. Users are families with children aged 0-/kloc-0. Its "door-to-door" mainly considers that postpartum mothers and newborn babies are not suitable for going out, and mothers decide the time and place of classes themselves; "Early education" is to teach parents to take care of their babies in a healthy and correct way and help them develop in an all-round way. Gao Yang said that the website of Little Dolphin has only been online for one month, and there are already 9 teachers and 20 orders. The course period ranges from 3 months to 1 year.