Tungsten (W) is fore seen as one of the most important candidates of the plasma-facing materials (PFM)
for future fusion devices, due to its beneficial properties. However, the high-Z characteristic makes it a
potential contamination to the core plasma. Divertor is the main component that directly contacts the
plasma,therefore,itis very importanttounderstandthe erosionofWdivertorplate andthe corresponding
transport of the eroded wall impurity, especially during edge localized modes (ELMs). In this work, a onedimension-in-space
and three-dimensions-in-velocity particle-in-cell code (EPPIC1D)is used to simulate
the erosion of W divertor plate, and the transport of eroded W impurity near the divertor plate is studied
by a Monte Carlo code. Benefiting from the kinetic simulation, energy/particle flux to the target could
be calculated accurately, and the erosion of W plate by different species is simulated during ELMs. The
trajectories and distributions of eroded W impurity particles are demonstrated, which shows us a basic
idea of how these impurity particles are generated and transported. It is found that C3+ plays a dominated
role on the erosion of W divertor plate during ELMs even when its concentration is low. Both W atoms
and ions distribute mainly near the divertor plate, indicating only a very small fraction of W impurity
particles could escape from divertor region and penetrate into the core plasma.