Not all the teachers in Hope graduated from Harvard Tsinghua, but every teacher in Hope has graduated from a prestigious school. I hope that the teachers in the learning APP are all 985,211college graduates, and the teachers are basically teachers who have studied and thought before, with complete knowledge reserves, broad vision and rich teaching experience. After careful study, it is not difficult to find that every teacher who wants to learn APP needs to go through layers of screening from the initial test to signing the contract, re-examination training to pre-job training, and the final admission rate is extremely low. And each class, after a strict preparation by 100 people, three rounds of polishing, trial lectures, to ensure the quality of teaching, will finally be presented to students. Hope Learning APP is an online learning software for online training schools, which mainly provides online training for students aged 6~ 15 in primary and junior high schools. Hope to learn online training school is a non-profit discipline training institution operated under the guidance of the local government, and its funds are regulated by the state. However, what makes me feel good about learning APP is that it provides our parents with the opportunity of "trial and error". If we teach them online after purchasing courses,