Abstract: The soil erosion results in soil and water losses,sediment deposition,and restricts the development of society and economy.As a result of in arid,semi-arid climatic zone,soil erosion and sediment deposition in Iran are very serious and have become one of main problems influencing national development.A review of the basic status of soil erosion and sediment deposition of Iran was briefed,and the advances and experiences were summarized.On this basis,some suggestions were put forwarded as a reference.