Xu Sunde, a postgraduate in Prof. Ma Zhonghua’s lab, went to University of Hawaii in Hilo (UHH) for research from November 6th, 2016 to May 10th, 2017. He studied at field about novel compound of marine fungi as a potential fungicide in Prof. Shu Gengcao's lab, which is good at isolating and determining the biologically active compounds from natural sources.