Meng, M. Li, F. Li, P. Qiu, R.Y. Wang, A.X. Xu, T.G. Xu, Zh.H. Yang, T. Zeng, L. JACoW Publishing Geneva, Switzerland 2673-5350 978-3-95450-204-2 10.18429/JACoW-IBIC2019-TUPP025 English 363-365 TUPP025 target proton experiment simulation electron Contribution to a conference proceedings 2019 2019-11 https://doi.org/10.18429/JACoW-IBIC2019-TUPP025 http://jacow.org/ibic2019/papers/tupp025.pdf To monitor the size and position of 1.6 Gev proton beam in front of proton beam window(PBW) of China spallation neutron source (CSNS), one multi-wire profile monitor (MWPM) is designed and installed with PBW. It can bear the heat caused by beam and generate signal to electronic in local station. We can monitor the situation of beam and protect PBW using MWPM.