Abstract: In recent years,China has strengthened the construction of vocational education,and the teaching ability and level of secondary vocational colleges have been continuously improved. Due to the particularity of teaching in secondary vocational colleges,the needs of society,industry,students and parents need to be fully considered in the education process,and the level of secondary vocational education and teaching system still need to be continuously optimized and improved. Class teachers in secondary vocational schools are responsible for many complex tasks such as student management,professional guidance,professional quality training,ideological and moral cultivation,graduation employment guidance,etc. Therefore,it is particularly important to reasonably carry out the professional capacity building of class teachers in secondary vocational schools. Therefore,from the analysis of the current situation of Vocational Education in China,this paper explains the relevant research on the ability training of class teachers in secondary vocational colleges at this stage,explains the main problems faced at this stage,and summarizes the ways to cultivate the professional ability of class teachers in secondary vocational colleges.