This paper studies the effect of venture capital (VC) network community structure on the dissemination of information in the medical health field of China. Using theoretical analysis and empirical test, this paper divides the community structure and information dissemination. The structural dimensions of the community have different effect and intensity on information dissemination. The cognitive proximity positively (negatively) affects community structure dimensions on information dissemination. This paper finds that the network community structure has a lag effect on information dissemination, and it finds out the types of network community structure that can promote (hinder) information dissemination. These results can promote the sustainable development of the medical health industry.