In order to meet with the need of multi-service，high-bandwidth communication access in oil and gas production areas，with the strong development momentum，EPON is regarded as the development direction of access network，which has the advantages of low-cost，high security and multi-service integrated solution．This paper introduces the features of EPON，and then discusses the application of EPON in access network of Changqing oil and gas production area，providing the reference to achieve the telecommunication access with multi-service and high bandwidth in Changqing oil and gas production area．