Abstract: Global positioning system（GPS）has a great preemptive advantage in both quantity and quality of patent layouts in various fields, including agricultural fields．As China's Beidou navigation satellite system is fully established, its application fields continue to expand, with agricultural applications presenting new contracts for smart agriculture development．Beidou navigation satellite system's application in agriculture holds significant importance for safeguarding national and food security, improving agricultural production efficiency, enhancing agricultural ecological protection, and improving agricultural products' security．Through in-depth analysis on patent applications related to Beidou navigation satellite system in agricultural fields, profiling advantages and disadvantages, and drawing on international patent strategy experiences, exploring a suitable intellectual property protection pathway tailored for Beidou navigation satellite system has been explored to advance China's agriculture modernization．