From March 20, 2013 to April 12, 2013, Wendan Zeng who comes from Guangxi academy of agricultural sciences institute of economic crops come to Shanghai center for cassava biotechnology for learning. With the help of Qiuxiang Ma, she had learned the steps of Cassava tissue culture, which contain somatic embryogenesis and cell suspension culture. This communication strengthened the bilateral relations between Guangxi academy of agricultural sciences institute of economic crops and Shanghai center for cassava biotechnology.