Participants log on to the website of "Supporting Agriculture in Shang Yun" by computer or scan the QR code by mobile phone to participate in online video class. Shangyun Zhinong is a leading comprehensive agricultural service platform in China. Sponsored by the Department of Science and Technology Education of the Ministry of Agriculture, the Central Agricultural Radio and Television School, the Farmers' Science and Technology Education and Training Center of the Ministry of Agriculture and Yuan Longping Agricultural Hi-tech Co., Ltd. jointly developed and built Internet protection products around new professional farmers.