On September 1, 2020, the latest research result of Li Peishan, a young teacher of the genetics department of basic medical college, was published on “Dual roles of neutrophils in metastatic colonization are governed by the host NK cell status”.This article was completed by Li Peishan during his post-doctoral visit to the Jackson Laboratory in the United States. Li Peishan and Ming Lu were the co-first authors of the paper, and Professor Guangwen Ren of Jackson Laboratory in the United States was the corresponding author.