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Nowadays high intensity proton accelerators are extensively applied,and this paper gives particular emphasis on CYCIAE-100,a 100 MeV high intensity compact cyclotron being constructed at CIAE.For accelerators of this type,the study is focused on how to improve the beam intensity.As for CYCIAE-100,the charge-exchange extraction is used to get protons.So it is crucial to enhance the lifetime of the stripping foil,which is largely determined by the energy deposition on it.For this cyclotron,due to the influence of the magnetic field.the electrons will spin near the foil and lose energy each time when they cross the foil.The energy deposition refers to all the energy deposition of protons and electrons.This paper stresses the stripper study of CYCIAE-100,in which the particle distribution on the foil is simulated and the energy deposition of calculated as a main reference for the foil design.