On the premise of analyzing the relevant standard documents at home and abroad, combining with the actual test conditions, the rules and data processing methods of temperature rise test for electric locomotive traction motor after loading were comprehensively introduced, and the necessity of correcting the test results of traction motor temperature rise at high altitude was analyzed, as well as the method of temperature rise altitude correction was put forward. The high altitude correction method for traction motor temperature rise test was recommended to refer to the relevant provisions of TB/T 3213.