“Computationally Efficient Nonlinear Bell Inequalities for Quantum Networks”, written by Dr. Luo Mingxing, a young teacher of the School of Information Science and Technology of Southwest Jiaotong University, has been published in the international authoritative academic journal 《Physical Review Letters》. 《Physical Review Letters》 is the flagship journal founded by the American Physics Society. It is the most authoritative and prestigious academic journal in international physics and related fields. The purpose of this journal is to publish important and novel academic achievements that promote the development of physics. Many research results of the Nobel prize winners in physics are published in this journal. This paper is the second one in this year published in this top journal by the staff of the School of Information Science and Technology. Southwest Jiaotong University is the first corresponding institution.