Use. June 9, 2020 10 Tianjin Student Mental Health Education Development Center collected mental health education curriculum resources for the whole city to create a series of excellent mental health education courses in "Sunshine Classroom". By May 2023, middle school students in Tianjin will use the sunshine classroom. In addition to the sunshine classroom, Tianjin primary and secondary schools also use "Radio and Television Cloud Classroom" and "Tianjin Basic Education Resources Public Service Platform".