"Electric locomotive structure" is the professional core course of railway locomotive major. It is the door stone for railway locomotive major students to learn professional knowledge and skills. It aims to enabling students to master the basic structure and function of electric locomotive machinery department.This textbook is based on the Addis Ababa Djibouti railway electric locomotive driver training project. According to the operation and maintenance needs of Addis Ababa Djibouti railway drivers, AC drive HXDIC electric locomotive is selected as the main learning object of the textbook. A large number of pictures are applied, which makes the contents easy to understand and to learn.Based on the drivers working environment and ability orientation, this textbook arranges typical tasks, focus on the practical application close to the locomotive production site, and highlight the cultivation of drivers post ability, so that students can master the structural name and action principle of the mechanical part of electric locomotive.This book is edited by Dang Jianmeng, Zhang Jia, Li Changliu and Gao Wei of Zhengzhou Railway Vocational and technical college. Dang Jianmeng edits Project 5,6 and 7 and is responsible for final compilation; Zhang Jia edits Project 2,3 and 4; Li Changliu edits Project 8; and Gao Wei edits Project 1.However, limited by time and knowledge, there are inevitable omissions and inadequacies in the book. Please oblige us with your valuable comments.