This article takes the joint training model as the research object and focuses on the joint postgraduate training in vocational universities. Based on a brief overview of the connotation and significance of joint postgraduate training in vocational universities, a systematic summary of the current situation of such training is conducted through practical research. While elaborating on the implementation and characteristics of joint postgraduate training in vocational universities, the article emphasizes a systematic collection and analysis of existing problems. Finally, guided by these problems and considering the characteristics and issues of joint postgraduate training in vocational universities, several improvement strategies are proposed. It is emphasized that vocational universities need to actively optimize their management models, establish restraint mechanisms, and implement dynamic adjustments to achieve scientific management of joint postgraduate training. This approach aims to promote academic innovation and improve training quality simultaneously.