Paraffin removal is very important in oil production. This paper analyzes the technical characteristics and application limitations of paraffin removal methods commonly used in oil wells at home and abroad, and compares the application effect, application status and existing issues of various paraffin removal methods. The results are obtained that hot nitrogen paraffin removal, washing pipe string of non-pollution and special alloy paraffin removal have the common features and technical advantages of environmental protection, effective, long life and no corrosion, which are proposed to be carried out in the future .