On May 21, 2020, the Institute of atomic and molecular physics held an online seminar for graduate students.Professor Xu Haifeng, deputy director, Professor Yang Yujun, deputy secretary Liu Xiangwei and more than 100 teachers and students attended the meeting.The lecture was presided over by Professor Cui Zhonghua and Associate Professor Liu Aihua.Li Genliang, sun Tian, Xu Xinpeng, Liang Weiyan and Feng Shuang reported the research progress in ultra short ultra violet laser ionization, negative ion beam time of flight mass spectrometry, Coulomb explosion imaging of polyatomic molecules, structure and electronic properties of alkali metal doped boron clusters, as well as molecular electronic state structure and photodissociation.Teachers and students had a heated discussion.The purpose of this online academic conference is to respond to the call of the state and the University, to "suspend classes without suspension", to create an atmosphere of online academic activities, to call on students to sit back at their desks at home and be responsible for themselves, reflecting their responsibilities and responsibilities in the special period.