Abstract: Straw baling machine is an important equipment for straw harvesting, and research on relevant technology patents is beneficial to accurately determine direction of product development．Based on PatSnap platform（Wisdom sprout global patent database）, patent analysis methods and standardized data analysis methods were used to screen and sort out patent information related to straw mechanization baling technology．From total number of applications and trends, distribution of countries/regions, technical layout, development trend and research hotspots of straw mechanized baling technology were analyzed to avoid repeated research, in order to provide objective, scientific and effective information theory support for development of straw baling machine in China．