Inspired by the era background of "mass entrepreneurship,mass innovation" and the current thought of "new subject" talent training,the teaching content,teaching methods and teaching evaluation system of virtual simulation welding experiment are emphatically constructed,and a welding virtual simulation platform with "complete system,rigorous science,vivid image,educational and fun,virtual and real,open sharing" is established,and a new model of student-centered,results-oriented education and multi-disciplinary cross-personalization is formed,the establishment of new subject paradigm is gradually explored,and the training objectives of diversified and innovative outstanding engineering talents are achieved under the new situation.