I. National Smart Education Platform for Primary and Secondary Schools The National Smart Education Platform for Primary and Secondary Schools is a network platform that the Ministry of Education integrates the high-quality teaching resources of the country, relevant provinces, cities and schools and provides them to all localities for free use to help students learn independently. Website:/? 2. Zhijiang Hui Education Plaza is a platform for the co-construction and sharing of educational resources in Zhejiang Province. Zhijiang Hui Education Plaza has built a network course group with perfect system, clear hierarchy and dynamic update. Among them, Zhejiang micro-course network, master's gold course and network synchronization course are highly compatible with students and recommended. Website: account number: student ID number password: the last six digits of the student ID number by default (if you forget the password, you can reset it yourself or contact the school administrator)? Third, learning in Yiwu fully connected smart teaching big data platform Learning in Yiwu fully connected smart teaching big data platform is a local quality curriculum system created by Yiwu Education Bureau, focusing on the courses of famous teachers in primary and secondary schools in the city, covering all grades and disciplines of primary school, junior high school and high school. Students can access the website to study through computers and mobile terminals. Website: /album.html#/