Due to the weakness of island eco-environment and the dependence of tourism development on island environment,it urgently needs to make a study on environmental problems during island tourism development,so as to provide a reference for the sustainable development of island tourism.The paper has concluded Chinese island environmental characteristics,analyzed the current situation of island tourism development and discussed environmental problems during island tourism development.On this basis,it has proposed some suggestions for island tourism environment protection.It should take island eco-environment protection as the premise and complete relevant laws and regulations;take foreign island tourism development as the reference,plan scientifically and build island eco-tourism mode;improve island infrastructures,prevent environmental pollution and protect island tourism environment with the government as the guidance;establish island environment monitoring station and tourism information monitoring station;enhance eco-environment protection education and cultivate responsible tourists and tourism staff;and intensify island supervision and regularize island tourism order.