Based on the existing curriculum content,teaching methods,and textbooks of"Overall Locomotive and Running Gear",combined with the"2+1"joint training program requirements of Liuzhou Railway Vocational and Technical College and Nanning Bureau Group Co.,Ltd.and the"1+X"vocational skill level certificate requirements of railway locomotives,this article compares the curriculum standards of"Overall Locomotive and Running Gear"with the"2+1"joint training program requirements and the"1+X"certificate assessment content,adopting task driven approach,project teaching approach,and group collaboration approach.The teaching design of the course"Locomotive Overall and Running Gear"is carried out in a combination of three methods.The aim is to integrate the"2+1"joint training and the"1+X"certificate model,teaching in a trinity,carrying out"three education reforms"on professional core courses,improving the teaching quality of professional core courses,strengthening the cultivation quality of innovative professional and technical talents in vocational colleges,and providing ideas and methods for curriculum system reform for other courses in this major and similar course in other majors.