Fiber and optical cable is an important area for our country to promote " Broadband China" strategy.In this paper

the global patents in the field of optical fiber and optical cable are taken as the research objects.The trend of patent application and the technology distribution of fiber preform

optical fiber and optical cable are analyzed by using patent analysis methods.The layout and technical characteristics of the main institutions in China and abroad are investigated.Finally

this paper puts forward some suggestions

such as paying attention to patent strategy

strengthening the research and development of key technologies in the future

encouraging the development of innovative technologies for Small and Medium-size Enterprises（SMEs）and creating the agglomeration effect of industries.