The testing of missile ignition circuits requires specialized testing equipment at present,but there are the shortages of multiple types of equipment,complicated and tedious operation methods,low test accuracy and efficiency,It is difficult to meet the requirements of generalization,miniaturization,and high precision;Aimed at the testing requirements of missile ignition circuits,an ignition circuit tester which tests seven types of missile ignition circuits is developed;The composition and working principle of the system elaborated,the hardware,software architecture,and test process of the system are introduced in detail;The actual application results show that the ignition circuit tester meets the requirements of testability,stability,safety and scalability,greatly improving the automation and accuracy of pyrotechnic testing,and it has a safe and reliable testing process.