The invention discloses a first-aid repair technology for crude oil pipeline congelation wax blockage, and belongs to the technical field of crude oil pipeline first-aid repair and maintenance. The technology includes the steps of plugging and drilling machine site preparation, bilateral plugging, oil pumping and pipe cutting, place taking and adjusting of a drilling machine, guiding hole construction inside a pipeline, reamer connection for reaming wax removing, completion confirmation, pipe section fracture butt welding and nondestructive testing, unplugging and preparation for putting the pipeline into operation. First-aid repair work can be completed for congelation wax blockage of the oil-conveying trunk pipeline, shutdown time of the pipeline can be shortened to the maximum degree, economic losses can be reduced, and the first-aid repair technology is safe, reliable and free of environment pollution and has good economic benefits and social benefits.