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Multi-channel ignition control devices can control spacecraft to achieve attitude adjustment and orbit change. Addressing the issues of low automation, poor detection efficiency, and lack of numerical representation of ignition pulse currents in the mass production of multi-channel ignition control devices, an automated improvement method for the acquisition and detection of pulse currents from multi-channel ignition equipment is proposed, along with the development of the multi-channel pulse current automatic device. This device uses an analog-to-digital converter and a control system based on the SDLC (Synchronous Data Link Control) communication protocol, establishing centralized control and information interaction between the product under test and the testing equipment, enabling full-cycle acquisition of ignition signals and reducing the risk of human error and bias. Experimental testing shows that the maximum deviation of the device in detecting the full-cycle ignition current value is not greater than 5%. After deployment, process validation, and long-term use, it proves that the device achieves significant results in improving testing efficiency, reducing costs, and enhancing quality, and is applied to the inspection and testing operations of a certain type of engine control device.