Abstract: Based on the open innovation theory, specifically addressed the effects of international innovation activities in our country's communication equipment manufacturing industry to its innovation ability in this paper. Research shows that in the field of communication equipment manufacturing, international innovation activities can greatly improve its industrial innovation. At the present stage, R & D funding is the key factor of improving communication equipment innovation ability. A conclusion is got that, the international innovation ability of communication industry in our country can be promoted by optimizing R & D Investment environment, expanding technology market and strengthening personnel training and introduction.