The aerospace industry has extremely high requirements for the stability and reliability of electronic equipment, and high-temperature circuit boards have become key components. Recently, relevant research teams have made breakthroughs in the application research of high-temperature circuit boards. By optimizing material formulations and manufacturing processes, high-temperature circuit boards can withstand more extreme temperatures and complex environments. In simulated space and high-altitude flight environment testing, the performance of the circuit board is stable, providing reliable support for the electronic system of aerospace vehicles and helping to promote further development of aerospace technology.